Herbarium LE - Specimens

Orchidaceae

Bulbophyllum concinnum Hook.f.

Lam Dong Province, Bao Loc City Area, old secondary dry evergreen broad-leaved and mixed (with Pinus kesiya) submontane forest on granite at elevation about 1000 m a.s.l. on top of hill. Epiphyte on tall trees. Occasional. 27 October 2019, L. Averyanov, Nguyen Van Canh, T. Maisak, AL 1204 3 (living plant only).

Flowered in culture 12 December 2024, flowers odorless, white, apices of tepals an lip yellow orange, L. Averyanov, AL 1204 3.

All photos © - L. Averyanov

Orchidaceae

Hetaeria youngsayei Ormerod?

DakLak Province, Lak District, evergreen broad-leaved forest near Chu Yang Sin NP at elevation of about 1200 m a.s.l., 2014, Nguyen Van Canh, sine no. Plant flowered I culture, photos by Nguyen Van Canh, 12 December 2024, AL3739.

All photos © - Nguyen Van Canh

Plants of Dong Chau - Khe Nuoc Trong Nature Reserve (DCKNTNR)

Piperaceae

Piper sp.

Quang Binh Province, Le Thuy District, Kim Thuy Municipality. Secondary evergreen broad-leaved forest with bamboo on very steep river slopes composed by shaly limestone at elevation about 160 m a.s.l. around point 17º4’29’’N 106º43’5’’E. Erect herb or undershrub to 1.5 m tall on shady rocky stream slope. Locally common.

24 November 2024, Nguyen Huu Cuong, Phan Thanh Quyet, Duong Van Nam, L. Averyanov, T. Maisak, DCKNTNR160 (AL3733).

All photos © - L. Averyanov & Nguyen Huu Cuong

Plants of Dong Chau - Khe Nuoc Trong Nature Reserve (DCKNTNR)

Fabaceae (Mimosaceae)

Pithecellobium sp.

Quang Binh Province, Le Thuy District, Kim Thuy Municipality. Secondary evergreen broad-leaved forest with bamboo on very steep river slopes composed by shaly limestone at elevation about 160 m a.s.l. around point 17º4’29’’N 106º43’5’’E. Tree to 15 m tall along rocky stream. Seeds red. Not rare.

24 November 2024, Nguyen Huu Cuong, Phan Thanh Quyet, Duong Van Nam, L. Averyanov, T. Maisak, DCKNTNR159 (AL3732).

All photos © - L. Averyanov & Nguyen Huu Cuong

Plants of Dong Chau - Khe Nuoc Trong Nature Reserve (DCKNTNR)

Araliaceae

Schefflera sp.

Quang Binh Province, Le Thuy District, Kim Thuy Municipality. Secondary evergreen broad-leaved forest with bamboo on very steep river slopes composed by shaly limestone at elevation about 160 m a.s.l. around point 17º4’29’’N 106º43’5’’E. Treelet to 3 m tall on rather open rocky stream slope. Common. Young leaves edible.

24 November 2024, Nguyen Huu Cuong, Phan Thanh Quyet, Duong Van Nam, L. Averyanov, T. Maisak, DCKNTNR158 (AL3731).

All photos © - L. Averyanov & Nguyen Huu Cuong

Plants of Dong Chau - Khe Nuoc Trong Nature Reserve (DCKNTNR)

Arecaceae

Licuala sp.

Quang Binh Province, Le Thuy District, Kim Thuy Municipality. Secondary evergreen broad-leaved forest with bamboo on very steep river slopes composed by shaly limestone at elevation about 160 m a.s.l. around point 17º4’29’’N 106º43’5’’E. Erect palm to 1.5 m tall on shady rocky stream slope. Common.

24 November 2024, Nguyen Huu Cuong, Phan Thanh Quyet, Duong Van Nam, L. Averyanov, T. Maisak, DCKNTNR157 (AL3730).

All photos © - L. Averyanov & Nguyen Huu Cuong

Plants of Dong Chau - Khe Nuoc Trong Nature Reserve (DCKNTNR)

Rubiaceae

Geophila repens (L.) I.M.Johnst.

Quang Binh Province, Le Thuy District, Kim Thuy Municipality. Secondary evergreen broad-leaved forest with bamboo on very steep river slopes composed by shaly limestone at elevation about 160 m a.s.l. around point 17º4’29’’N 106º43’5’’E. Creeping terrestrial herb on shady sandy stream slope. Fruits bright orange to red. Common.

24 November 2024, Nguyen Huu Cuong, Phan Thanh Quyet, Duong Van Nam, L. Averyanov, T. Maisak, DCKNTNR156 (AL3729).

All photos © - L. Averyanov & Nguyen Huu Cuong

Plants of Dong Chau - Khe Nuoc Trong Nature Reserve (DCKNTNR)

Polypodiaceae s.l.

Leptochilus chilangensis (V.N.Tu) Liang Zhang & Li Bing Zhang?

Quang Binh Province, Le Thuy District, Kim Thuy Municipality. Secondary evergreen broad-leaved forest with bamboo on very steep river slopes composed by shaly limestone at elevation about 160 m a.s.l. around point 17º4’29’’N 106º43’5’’E. Creeping lithophytic fern on shady wet stream rocks. Locally common.

24 November 2024, Nguyen Huu Cuong, Phan Thanh Quyet, Duong Van Nam, L. Averyanov, T. Maisak, DCKNTNR155 (AL3728).

All photos © - L. Averyanov & Nguyen Huu Cuong

Plants of Dong Chau - Khe Nuoc Trong Nature Reserve (DCKNTNR)

Polypodiaceae s.l.

Thelypteris sp.?

Quang Binh Province, Le Thuy District, Kim Thuy Municipality. Secondary evergreen broad-leaved forest with bamboo on very steep river slopes composed by shaly limestone at elevation about 160 m a.s.l. around point 17º4’29’’N 106º43’5’’E. Lithophytic fern on shady wet stream rocks. Occasional.

24 November 2024, Nguyen Huu Cuong, Phan Thanh Quyet, Duong Van Nam, L. Averyanov, T. Maisak, DCKNTNR151 (AL3727).

All photos © - L. Averyanov & Nguyen Huu Cuong

Plants of Dong Chau - Khe Nuoc Trong Nature Reserve (DCKNTNR)

Rubiaceae

Randia sp.

Quang Binh Province, Le Thuy District, Kim Thuy Municipality. Secondary evergreen broad-leaved forest with bamboo on very steep river slopes composed by shaly limestone at elevation about 160 m a.s.l. around point 17º4’29’’N 106º43’5’’E. Shrub or climbing shrub to 2 m tall in open rocky place along small stream. Fruits green. Occasional.

24 November 2024, Nguyen Huu Cuong, Phan Thanh Quyet, Duong Van Nam, L. Averyanov, T. Maisak, DCKNTNR150 (AL3726).

All photos © - L. Averyanov & Nguyen Huu Cuong

Plants of Dong Chau - Khe Nuoc Trong Nature Reserve (DCKNTNR)

Plumbaginaceae

Plumbago indica L.

Quang Binh Province, Le Thuy District, Kim Thuy Municipality. Secondary evergreen broad-leaved forest with bamboo on very steep river slopes composed by shaly limestone at elevation about 160 m a.s.l. around point 17º4’29’’N 106º43’5’’E. Erect cultivated ornamental herb to 1 m tall. Flowers bright red.

24 November 2024, Nguyen Huu Cuong, Phan Thanh Quyet, Duong Van Nam, L. Averyanov, T. Maisak, DCKNTNR145 (AL3723).

All photos © - L. Averyanov & Nguyen Huu Cuong

Plants of Dong Chau - Khe Nuoc Trong Nature Reserve (DCKNTNR)

Piperaceae

Piper sp.

Quang Binh Province, Le Thuy District, Kim Thuy Municipality. Secondary evergreen broad-leaved forest with bamboo on very steep river slopes composed by shaly limestone at elevation about 160 m a.s.l. around point 17º4’29’’N 106º43’5’’E. Erect cultivated herb to 1.5 m tall.

24 November 2024, Nguyen Huu Cuong, Phan Thanh Quyet, Duong Van Nam, L. Averyanov, T. Maisak, DCKNTNR146 (AL3722).

All photos © - L. Averyanov & Nguyen Huu Cuong

Plants of Dong Chau - Khe Nuoc Trong Nature Reserve (DCKNTNR)

Lamiaceae

Ocimum basilicum L.

Quang Binh Province, Le Thuy District, Kim Thuy Municipality. Secondary evergreen broad-leaved forest with bamboo on very steep river slopes composed by shaly limestone at elevation about 160 m a.s.l. around point 17º4’29’’N 106º43’5’’E. Erect spicy cultivated herb (wilt to the area) to 1.5 m tall. Flowers light lilac.

24 November 2024, Nguyen Huu Cuong, Phan Thanh Quyet, Duong Van Nam, L. Averyanov, T. Maisak, DCKNTNR147 (AL3721).

All photos © - L. Averyanov & Nguyen Huu Cuong

Plants of Dong Chau - Khe Nuoc Trong Nature Reserve (DCKNTNR)

Rubiaceae

Gardenia sp.

Quang Binh Province, Le Thuy District, Kim Thuy Municipality. Secondary evergreen broad-leaved forest with bamboo on very steep river slopes composed by shaly limestone at elevation about 160 m a.s.l. around point 17º4’29’’N 106º43’5’’E. Erect cultivated shrub to 1.5 m tall. Flowers white.

24 November 2024, Nguyen Huu Cuong, Phan Thanh Quyet, Duong Van Nam, L. Averyanov, T. Maisak, DCKNTNR148 (AL3720).

All photos © - L. Averyanov & Nguyen Huu Cuong

Plants of Dong Chau - Khe Nuoc Trong Nature Reserve (DCKNTNR)

Verbenaceae

Lantana camara L.⁣

Quang Binh Province, Le Thuy District, Kim Thuy Municipality. Secondary evergreen broad-leaved forest with bamboo on very steep river slopes composed by shaly limestone at elevation about 160 m a.s.l. around point 17º4’29’’N 106º43’5’’E. Climbing shrub to 1.5 m tall on open road cut among secondary shrubs. Flowers orange. Very common aggressive weed.

24 November 2024, Nguyen Huu Cuong, Phan Thanh Quyet, Duong Van Nam, L. Averyanov, T. Maisak, DCKNTNR149 (AL3719).

All photos © - L. Averyanov & Nguyen Huu Cuong

Plants of Dong Chau - Khe Nuoc Trong Nature Reserve (DCKNTNR)

Orchyidaceae

Cymbidium aloifolium (L.) Sw.

Quang Binh Province, Le Thuy District, Kim Thuy Municipality. Secondary evergreen broad-leaved forest with bamboo on very steep river slopes composed by shaly limestone at elevation about 300 m a.s.l. around point 17º4’29’’N 106º43’5’’E. Epiphyte on tall tree. Occasional.

24 November 2024, Nguyen Huu Cuong, Phan Thanh Quyet, Duong Van Nam, L. Averyanov, T. Maisak, DCKNTNR144 (AL3718).

All photos © - L. Averyanov & Nguyen Huu Cuong

Plants of Dong Chau - Khe Nuoc Trong Nature Reserve (DCKNTNR)

Convallariaceae

Aspidistra phongdiensis D.Dien, T.A.Le & Vislobokov

Quang Binh Province, Le Thuy District, Kim Thuy Municipality. Secondary evergreen broad-leaved forest with bamboo on very steep river slopes composed by shaly limestone at elevation 60–160 m a.s.l. around point 17º4’29’’N 106º43’5’’E. Terrestrial herb with creeping rhizome supported by many stilt roots. Leaves long petiolate with ellipsoid to broadly ellipsoid leaf blade. Fruits globular, pale gray brownish, cowered by small bark like particles. Locally very common.

23 November 2024, Nguyen Huu Cuong, Phan Thanh Quyet, Duong Van Nam, L. Averyanov, T. Maisak, DCKNTNR143 (AL3717).

All photos © - L. Averyanov & Nguyen Huu Cuong

Plants of Dong Chau - Khe Nuoc Trong Nature Reserve (DCKNTNR)

Aracreae

Pothos sp.

Quang Binh Province, Le Thuy District, Kim Thuy Municipality. Secondary evergreen broad-leaved forest with bamboo on very steep river slopes composed by shaly limestone at elevation 60–160 m a.s.l. around point 17º4’29’’N 106º43’5’’E. Creeping epiphytic vine to 5 m long on big trees on rocky slope. Common.

23 November 2024, Nguyen Huu Cuong, Phan Thanh Quyet, Duong Van Nam, L. Averyanov, T. Maisak, DCKNTNR142 (AL3716).

All photos © - L. Averyanov & Nguyen Huu Cuong

Plants of Dong Chau - Khe Nuoc Trong Nature Reserve (DCKNTNR)

Fabaceae (Caesalpiniaceae)

Cassia tora L.

Quang Binh Province, Le Thuy District, Kim Thuy Municipality. Secondary evergreen broad-leaved forest with bamboo on very steep river slopes composed by shaly limestone at elevation 60–160 m a.s.l. around point 17º4’29’’N 106º43’5’’E. Erect terrestrial herb to 1 m tall in open place along road. Flowers yellow. Common.

23 November 2024, Nguyen Huu Cuong, Phan Thanh Quyet, Duong Van Nam, L. Averyanov, T. Maisak, DCKNTNR141 (AL3715).

All photos © - L. Averyanov & Nguyen Huu Cuong

Plants of Dong Chau - Khe Nuoc Trong Nature Reserve (DCKNTNR)

Rubiaceae

Mussaenda sp.

Quang Binh Province, Le Thuy District, Kim Thuy Municipality. Secondary evergreen broad-leaved forest with bamboo on very steep river slopes composed by shaly limestone at elevation 60–160 m a.s.l. around point 17º4’29’’N 106º43’5’’E. Climbing shrub with shoots to 3 m long in open shrubs along road cut. Inflorescence leaves green. Flowers yellow. Common.

23 November 2024, Nguyen Huu Cuong, Phan Thanh Quyet, Duong Van Nam, L. Averyanov, T. Maisak, DCKNTNR140 (AL3714).

All photos © - L. Averyanov & Nguyen Huu Cuong

Plants of Dong Chau - Khe Nuoc Trong Nature Reserve (DCKNTNR)

Rubiaceae

Psychotria sp.

Quang Binh Province, Le Thuy District, Kim Thuy Municipality. Secondary evergreen broad-leaved forest with bamboo on very steep river slopes composed by shaly limestone at elevation 60–160 m a.s.l. around point 17º4’29’’N 106º43’5’’E. Small shrub to 1.5 m tall along rather open rocky wet river side. Fruits orange. Not rare.

23 November 2024, Nguyen Huu Cuong, Phan Thanh Quyet, Duong Van Nam, L. Averyanov, T. Maisak, DCKNTNR139 (AL3713).

All photos © - L. Averyanov & Nguyen Huu Cuong

Plants of Dong Chau - Khe Nuoc Trong Nature Reserve (DCKNTNR)

Scrophulariaceae

Stachytarpheta indica (L.) Vahl

Quang Binh Province, Le Thuy District, Kim Thuy Municipality. Secondary evergreen broad-leaved forest with bamboo on very steep river slopes composed by shaly limestone at elevation 60–160 m a.s.l. around point 17º4’29’’N 106º43’5’’E. Terrestrial erect herb to 1.2 m tall in open place along road. Flowers blue. Common weed.

23 November 2024, Nguyen Huu Cuong, Phan Thanh Quyet, Duong Van Nam, L. Averyanov, T. Maisak, DCKNTNR138 (AL3712).

All photos © - L. Averyanov & Nguyen Huu Cuong

Plants of Dong Chau - Khe Nuoc Trong Nature Reserve (DCKNTNR)

Rubiaceae

Mycetia sp.

Quang Binh Province, Le Thuy District, Kim Thuy Municipality. Secondary evergreen broad-leaved forest with bamboo on very steep river slopes composed by shaly limestone at elevation 60–160 m a.s.l. around point 17º4’29’’N 106º43’5’’E. Small undershrub to 1.5 m tall along rocky river slope. Fruits white, juicy. Not common.

23 November 2024, Nguyen Huu Cuong, Phan Thanh Quyet, Duong Van Nam, L. Averyanov, T. Maisak, DCKNTNR137 (AL3711).

All photos © - L. Averyanov & Nguyen Huu Cuong

Plants of Dong Chau - Khe Nuoc Trong Nature Reserve (DCKNTNR)

Acanthaceae

Asystasia sp.?

Quang Binh Province, Le Thuy District, Kim Thuy Municipality. Secondary evergreen broad-leaved forest with bamboo on very steep river slopes composed by shaly limestone at elevation 60–160 m a.s.l. around point 17º4’29’’N 106º43’5’’E. Terrestrial prostrate herb in rocky open place along river. Flowers white. Occasional.

23 November 2024, Nguyen Huu Cuong, Phan Thanh Quyet, Duong Van Nam, L. Averyanov, T. Maisak, DCKNTNR136 (AL3710).

All photos © - L. Averyanov & Nguyen Huu Cuong

Plants of Dong Chau - Khe Nuoc Trong Nature Reserve (DCKNTNR)

Rubiaceae

Morinda?

Quang Binh Province, Le Thuy District, Kim Thuy Municipality. Secondary evergreen broad-leaved forest with bamboo on very steep river slopes composed by shaly limestone at elevation 60–160 m a.s.l. around point 17º4’29’’N 106º43’5’’E. Treelet to 3 m tall on rocky shady slope. Fruits green. Rare.

23 November 2024, Nguyen Huu Cuong, Phan Thanh Quyet, Duong Van Nam, L. Averyanov, T. Maisak, DCKNTNR135 (AL3709).

All photos © - L. Averyanov & Nguyen Huu Cuong

Plants of Dong Chau - Khe Nuoc Trong Nature Reserve (DCKNTNR)

Euphorbiaceae

Homonoia riparia Lour.

Quang Binh Province, Le Thuy District, Kim Thuy Municipality. Secondary evergreen broad-leaved forest with bamboo on very steep river slopes composed by shaly limestone at elevation 60–160 m a.s.l. around point 17º4’29’’N 106º43’5’’E. Shrub to 2 m tall in open wet rocky place along river. Common.

23 November 2024, Nguyen Huu Cuong, Phan Thanh Quyet, Duong Van Nam, L. Averyanov, T. Maisak, DCKNTNR134 (AL3708).

All photos © - L. Averyanov & Nguyen Huu Cuong

Plants of Dong Chau - Khe Nuoc Trong Nature Reserve (DCKNTNR)

Sambucaceae

Sambucus javanica Blume⁣

Quang Binh Province, Le Thuy District, Kim Thuy Municipality. Secondary evergreen broad-leaved forest with bamboo on very steep river slopes composed by shaly limestone at elevation 60–160 m a.s.l. around point 17º4’29’’N 106º43’5’’E. Shrub to 2.5 m tall in open wet place on rocky slope near river. Flowers white, fruits orange to red. Not common.

23 November 2024, Nguyen Huu Cuong, Phan Thanh Quyet, Duong Van Nam, L. Averyanov, T. Maisak, DCKNTNR133 (AL3707).

All photos © - L. Averyanov & Nguyen Huu Cuong

Plants of Dong Chau - Khe Nuoc Trong Nature Reserve (DCKNTNR)

Annonaceae

Miliusa sp.?

Quang Binh Province, Le Thuy District, Kim Thuy Municipality. Secondary evergreen broad-leaved forest with bamboo on very steep river slopes composed by shaly limestone at elevation 60–160 m a.s.l. around point 17º4’29’’N 106º43’5’’E. Shrub or small treelet to 3 m tall on shady rocky slope near river. Fruits pale greenish, later orange. Not common.

23 November 2024, Nguyen Huu Cuong, Phan Thanh Quyet, Duong Van Nam, L. Averyanov, T. Maisak, DCKNTNR132 (AL3706).

All photos © - L. Averyanov & Nguyen Huu Cuong

Plants of Dong Chau - Khe Nuoc Trong Nature Reserve (DCKNTNR)

Polypodiaceae s.l.

Dryopteris sp. ?

Quang Binh Province, Le Thuy District, Kim Thuy Municipality. Secondary evergreen broad-leaved forest with bamboo on very steep river slopes composed by shaly limestone at elevation 60–160 m a.s.l. around point 17º4’29’’N 106º43’5’’E. Terrestrial and lithophytic fern on shady rocky slope near river. Common.

23 November 2024, Nguyen Huu Cuong, Phan Thanh Quyet, Duong Van Nam, L. Averyanov, T. Maisak, DCKNTNR131 (AL3705).

All photos © - L. Averyanov & Nguyen Huu Cuong

Plants of Dong Chau - Khe Nuoc Trong Nature Reserve (DCKNTNR)

Convallariaceae

Aspidistra carnosa?

Quang Binh Province, Le Thuy District, Kim Thuy Municipality. Secondary evergreen broad-leaved forest with bamboo on very steep river slopes composed by shaly limestone at elevation 60–160 m a.s.l. around point 17º4’29’’N 106º43’5’’E. Terrestrial herb with thick creeping rhizome on shady rocky slope with bamboo near river. Young flowers light greenish. Occasional.

23 November 2024, Nguyen Huu Cuong, Phan Thanh Quyet, Duong Van Nam, L. Averyanov, T. Maisak, DCKNTNR130 (AL3704).

All photos © - L. Averyanov & Nguyen Huu Cuong

Plants of Dong Chau - Khe Nuoc Trong Nature Reserve (DCKNTNR)

Tiliaceae

Broussonetia papyrifera (L.) Vent.⁣

Quang Binh Province, Le Thuy District, Kim Thuy Municipality. Secondary evergreen broad-leaved forest with bamboo on very steep river slopes composed by shaly limestone at elevation about 160 m a.s.l. around point 17º4’29’’N 106º43’5’’E. Treelet to 5 m tall in open slope. Flowers white. Occasional.

22 November 2024, Nguyen Huu Cuong, Phan Thanh Quyet, Duong Van Nam, L. Averyanov, T. Maisak, DCKNTNR116 (AL3703).

All photos © - L. Averyanov & Nguyen Huu Cuong

Plants of Dong Chau - Khe Nuoc Trong Nature Reserve (DCKNTNR)

Sterculiaceae

Sterculia sp.

Quang Binh Province, Le Thuy District, Kim Thuy Municipality. Secondary evergreen broad-leaved forest with bamboo on very steep river slopes composed by shaly limestone at elevation about 160 m a.s.l. around point 17º4’29’’N 106º43’5’’E. Shrub or treelet to 4 m tall in rocky place along stream slope. Fruits bright red. Not common.

22 November 2024, Nguyen Huu Cuong, Phan Thanh Quyet, Duong Van Nam, L. Averyanov, T. Maisak, DCKNTNR115 (AL3702).

All photos © - L. Averyanov & Nguyen Huu Cuong

Plants of Dong Chau - Khe Nuoc Trong Nature Reserve (DCKNTNR)

Rubiaceae

Randia sp.?

Quang Binh Province, Le Thuy District, Kim Thuy Municipality. Secondary evergreen broad-leaved forest with bamboo on very steep river slopes composed by shaly limestone at elevation about 100 m a.s.l. around point 17º4’29’’N 106º43’5’’E. Shrub to 5 m tall in rocky place on hill top with Quercus and bamboo along small stream. Fruits orange, juicy. Not common.

22 November 2024, Nguyen Huu Cuong, Phan Thanh Quyet, Duong Van Nam, L. Averyanov, T. Maisak, DCKNTNR129 (AL3701).

All photos © - L. Averyanov & Nguyen Huu Cuong

Plants of Dong Chau - Khe Nuoc Trong Nature Reserve (DCKNTNR)

Polygalaceae

Polygala tonkinensis Chodat?

Quang Binh Province, Le Thuy District, Kim Thuy Municipality. Secondary evergreen broad-leaved forest with bamboo on very steep river slopes composed by shaly limestone at elevation about 100 m a.s.l. around point 17º4’29’’N 106º43’5’’E. Shrub to 2 m tall in rocky place along river. Fruits bright green. Not common.

22 November 2024, Nguyen Huu Cuong, Phan Thanh Quyet, Duong Van Nam, L. Averyanov, T. Maisak, DCKNTNR128 (AL3700).

All photos © - L. Averyanov & Nguyen Huu Cuong

Plants of Dong Chau - Khe Nuoc Trong Nature Reserve (DCKNTNR)

Melastomataceae

Memecylon sp.

Quang Binh Province, Le Thuy District, Kim Thuy Municipality. Secondary evergreen broad-leaved forest with bamboo on very steep river slopes composed by shaly limestone at elevation about 350 m a.s.l. around point 17º4’29’’N 106º43’5’’E. Tree to 7 m tall (10 cm DBH) on open rocky place in associate with Fagaceae and bamboo. Fruits blue. Locally common.

22 November 2024, Nguyen Huu Cuong, Phan Thanh Quyet, Duong Van Nam, L. Averyanov, T. Maisak, DCKNTNR127 (AL3699).

All photos © - L. Averyanov & Nguyen Huu Cuong

Plants of Dong Chau - Khe Nuoc Trong Nature Reserve (DCKNTNR)

Myrtaceae

Syzygium sp.?

Quang Binh Province, Le Thuy District, Kim Thuy Municipality. Secondary evergreen broad-leaved forest with bamboo on very steep river slopes composed by shaly limestone at elevation about 150 m a.s.l. around point 17º4’29’’N 106º43’5’’E. Shrub to 3 m tall in open rocky place along river. Not common.

22 November 2024, Nguyen Huu Cuong, Phan Thanh Quyet, Duong Van Nam, L. Averyanov, T. Maisak, DCKNTNR126 (AL3698).

All photos © - L. Averyanov & Nguyen Huu Cuong

Plants of Dong Chau - Khe Nuoc Trong Nature Reserve (DCKNTNR)

Convallariaceae

Aspidistra letreae Aver., Tillich & Le Tuan Anh

Quang Binh Province, Le Thuy District, Kim Thuy Municipality. Secondary evergreen broad-leaved forest with bamboo on very steep river slopes composed by shaly limestone at elevation about 150 m a.s.l. around point 17º4’29’’N 106º43’5’’E. Terrestrial suberect herb with many stilt roots with old flowers about 4 cm across and pinkish globular fruits on rocky slope and hilltops. Locally very common.

22 November 2024, Nguyen Huu Cuong, Phan Thanh Quyet, Duong Van Nam, L. Averyanov, T. Maisak, DCKNTNR125 (AL3697).

All photos © - L. Averyanov & Nguyen Huu Cuong

Plants of Dong Chau - Khe Nuoc Trong Nature Reserve (DCKNTNR)

Polypodiaceae s.l.

Vittaria sp. (Haplopteris sp.)

Quang Binh Province, Le Thuy District, Kim Thuy Municipality. Secondary evergreen broad-leaved forest with bamboo on very steep river slopes composed by shaly limestone at elevation about 250 m a.s.l. around point 17º4’29’’N 106º43’5’’E. Clustering epiphyte almost exclusively on Lewistona chinensis. Not common.

22 November 2024, Nguyen Huu Cuong, Phan Thanh Quyet, Duong Van Nam, L. Averyanov, T. Maisak, AL3694.

All photos © - L. Averyanov & Nguyen Huu Cuong

Plants of Dong Chau - Khe Nuoc Trong Nature Reserve (DCKNTNR)

Orchidaceae

Cymbidium dayanum Rchb.f.

Quang Binh Province, Le Thuy District, Kim Thuy Municipality. Secondary evergreen broad-leaved forest with bamboo on very steep river slopes composed by shaly limestone at elevation about 250 m a.s.l. around point 17º4’29’’N 106º43’5’’E. Clustering epiphyte on tall tree. Not common.

22 November 2024, Nguyen Huu Cuong, Phan Thanh Quyet, Duong Van Nam, L. Averyanov, T. Maisak, AL3693.

All photos © - L. Averyanov & Nguyen Huu Cuong

Plants of Dong Chau - Khe Nuoc Trong Nature Reserve (DCKNTNR)

Convallariaceae

Aspidistra letreae Aver., Tillich & Le Tuan Anh

Quang Binh Province, Le Thuy District, Kim Thuy Municipality. Secondary evergreen broad-leaved forest with bamboo on very steep river slopes composed by shaly limestone at elevation about 100 m a.s.l. around point 17º4’29’’N 106º43’5’’E. Terrestrial herb with suberect stem with many stilt roots on shady rocky stream slope and on hill tops. Locally common.

22 November 2024, Nguyen Huu Cuong, Phan Thanh Quyet, Duong Van Nam, L. Averyanov, T. Maisak, AL3692.

All photos © - L. Averyanov & Nguyen Huu Cuong

Plants of Dong Chau - Khe Nuoc Trong Nature Reserve (DCKNTNR)

Polypodiaceae s.l.

Pteris sp. s.l.

Quang Binh Province, Le Thuy District, Kim Thuy Municipality. Secondary evergreen broad-leaved forest with bamboo on very steep river slopes composed by shaly limestone at elevation about 100 m a.s.l. around point 17º4’29’’N 106º43’5’’E. Terrestrial creeping fern with fronds to 1 m tall on shady rocky stream slope. Locally common.

22 November 2024, Nguyen Huu Cuong, Phan Thanh Quyet, Duong Van Nam, L. Averyanov, T. Maisak, AL3691.

All photos © - L. Averyanov & Nguyen Huu Cuong

Plants of Dong Chau - Khe Nuoc Trong Nature Reserve (DCKNTNR)

Polypodiaceae s.l.

Colysis sp.

Quang Binh Province, Le Thuy District, Kim Thuy Municipality. Secondary evergreen broad-leaved forest with bamboo on very steep river slopes composed by shaly limestone at elevation about 100 m a.s.l. around point 17º4’29’’N 106º43’5’’E. Lithophytic creeping fern on shady wet stream rocks along water. Locally very common.

22 November 2024, Nguyen Huu Cuong, Phan Thanh Quyet, Duong Van Nam, L. Averyanov, T. Maisak, AL3690.

All photos © - L. Averyanov & Nguyen Huu Cuong

Plants of Dong Chau - Khe Nuoc Trong Nature Reserve (DCKNTNR)

Selaginellaceae

Selaginella sp.

Quang Binh Province, Le Thuy District, Kim Thuy Municipality. Secondary evergreen broad-leaved forest with bamboo on very steep river slopes composed by shaly limestone at elevation about 100 m a.s.l. around point 17º4’29’’N 106º43’5’’E. Terrestrial and lithophytic herb with pendulous stems to 0. 3 m long on shady rocky stream cliff. Common.

22 November 2024, Nguyen Huu Cuong, Phan Thanh Quyet, Duong Van Nam, L. Averyanov, T. Maisak, AL3689.

All photos © - L. Averyanov & Nguyen Huu Cuong

Plants of Dong Chau - Khe Nuoc Trong Nature Reserve (DCKNTNR)

Convallariaceae

Aspidistra coccigera??

Quang Binh Province, Le Thuy District, Kim Thuy Municipality. Secondary evergreen broad-leaved forest with bamboo on very steep river slopes composed by shaly limestone at elevation about 100 m a.s.l. around point 17º4’29’’N 106º43’5’’E. Terrestrial rhizomatous herb on shady rocky stream slope. Occasional.

22 November 2024, Nguyen Huu Cuong, Phan Thanh Quyet, Duong Van Nam, L. Averyanov, T. Maisak, AL3688.

All photos © - L. Averyanov & Nguyen Huu Cuong

Plants of Dong Chau - Khe Nuoc Trong Nature Reserve (DCKNTNR)

Lycopodiaceae

Lycopodium cernuum L.

Quang Binh Province, Le Thuy District, Kim Thuy Municipality. Secondary evergreen broad-leaved forest with bamboo on very steep river slopes composed by shaly limestone at elevation about 100 m a.s.l. around point 17º4’29’’N 106º43’5’’E. Terrestrial herb to 0.6 m tall in open wet road cut. Very common.

22 November 2024, Nguyen Huu Cuong, Phan Thanh Quyet, Duong Van Nam, L. Averyanov, T. Maisak, AL3687.

All photos © - L. Averyanov & Nguyen Huu Cuong

Plants of Dong Chau - Khe Nuoc Trong Nature Reserve (DCKNTNR)

Polypodiaceae s.l.

Blechnum orientale L.

Quang Binh Province, Le Thuy District, Kim Thuy Municipality. Secondary evergreen broad-leaved forest with bamboo on very steep river slopes composed by shaly limestone at elevation about 100 m a.s.l. around point 17º4’29’’N 106º43’5’’E. Terrestrial and lithophytic fern with fronds to 1.5 long on open rocky stream cliffs. Very common.

22 November 2024, Nguyen Huu Cuong, Phan Thanh Quyet, Duong Van Nam, L. Averyanov, T. Maisak, AL3686.

All photos © - L. Averyanov & Nguyen Huu Cuong

Plants of Dong Chau - Khe Nuoc Trong Nature Reserve (DCKNTNR)

Polypodiaceae s.l.

Colysis digitata Ching

Quang Binh Province, Le Thuy District, Kim Thuy Municipality. Secondary evergreen broad-leaved forest with bamboo on very steep river slopes composed by shaly limestone at elevation about 100 m a.s.l. around point 17º4’29’’N 106º43’5’’E. Lithophytic creeping fern on wet shady stream rocks. Very common.

22 November 2024, Nguyen Huu Cuong, Phan Thanh Quyet, Duong Van Nam, L. Averyanov, T. Maisak, AL3685.

All photos © - L. Averyanov & Nguyen Huu Cuong

Plants of Dong Chau - Khe Nuoc Trong Nature Reserve (DCKNTNR)

Euphorbiaceae

Mallotus sp.

Quang Binh Province, Le Thuy District, Kim Thuy Municipality. Secondary evergreen broad-leaved forest with bamboo on very steep river slopes composed by shaly limestone at elevation about 100 m a.s.l. around point 17º4’29’’N 106º43’5’’E. Tree to 15 m tall in open place of stream valley. Not rare.

22 November 2024, Nguyen Huu Cuong, Phan Thanh Quyet, Duong Van Nam, L. Averyanov, T. Maisak, AL3684.

All photos © - L. Averyanov & Nguyen Huu Cuong

Plants of Dong Chau - Khe Nuoc Trong Nature Reserve (DCKNTNR)

Myrsinaceae

Ardisia sp.

Quang Binh Province, Le Thuy District, Kim Thuy Municipality. Secondary evergreen broad-leaved forest with bamboo on very steep river slopes composed by shaly limestone at elevation about 100 m a.s.l. around point 17º4’29’’N 106º43’5’’E. Small erect shrub to 1.5 m tall on open wet stream rocks. Fruits bright green. Locally very common.

22 November 2024, Nguyen Huu Cuong, Phan Thanh Quyet, Duong Van Nam, L. Averyanov, T. Maisak, AL3683.

All photos © - L. Averyanov & Nguyen Huu Cuong

Plants of Dong Chau - Khe Nuoc Trong Nature Reserve (DCKNTNR)

Euphorbiaceae

Phyllanthus sp.

Quang Binh Province, Le Thuy District, Kim Thuy Municipality. Secondary evergreen broad-leaved forest with bamboo on very steep river slopes composed by shaly limestone at elevation about 100 m a.s.l. around point 17º4’29’’N 106º43’5’’E. Small erect undershrub to 1 m tall on open wet stream rocks. Flowers red-purple. Locally common.

22 November 2024, Nguyen Huu Cuong, Phan Thanh Quyet, Duong Van Nam, L. Averyanov, T. Maisak, AL3682.

All photos © - L. Averyanov & Nguyen Huu Cuong