Herbarium LE - Specimens

Asclepiadaceae

Hoya pandurata Tsiang

Son La Province, obtained from local collectors,

10 May 2024, Nguyen Van Canh, AL3125.

Convallariaceae

Hedychium sp.

Dong Nai Province, Tan Phu District, Cat Thien National Parl, semideciduous broad-leaved forest at elevation of about 200 m a.s.l., humus epiphyte on big tree (Ficus sp.), flowers white to very light yellow, not common.

December 2023, Nguyen Van Canh, AL3118.

Zingiberaceae

Siliquamomum sp.

Dak Lak Province, M’Drak District, Chu Mu Mountain, 800-900 m a.s.l., erect terrestrial herb to 1 m tall, flowers light green, very common.

March 2024, Nguyen Van Canh, AL3113.

Acanthaceae

Asystasia sp.??

Dak Lak Province, M’Drak District, Chu Mu Mountain, 900 m a.s.l., erect terrestrial herb to 1 m tall, flowers dull orange, locally common.

March 2024, Nguyen Van Canh, AL3110.

Gesneriaceae

Aeschynanthus sp.

Dak Lak Province, M’Drak District, Chu Mu Mountain, 900 m a.s.l., epiphytic undershrub, with pendulous shoots to 1 m long, flowers dull orange, rare.

March 2024, Nguyen Van Canh, AL3108.

Convallariaceae

Peliosanthes micrantha?

Dak Lak Province, M’Drak District, Chu Mu Mountain, 700 m a.s.l., evergreen forest, terrestrial herb, not common.

March 2024, Nguyen Van Canh, AL3107a.

FLORA OF VIETNAM

Altingiaceae

Altingia sp.

Gia Lai, Kon Tum Prov.

Yakovlev G., LX-VN 620

14.05.1981

FLORA OF VIETNAM

Altingiaceae

Altingia sp.

Gia Lai, Kon Tum Prov.

Yakovlev G., LX-VN 745

21.05.1981

Hamamelidaceae

Altingia sp.

Quang Nam Prov., Dai Loc Distr., Dai Hong municipality, environs of Dai Hong town around point 15°49’19”N 107°56’58”E. Remnants of primary broadleaved evergreen forest on rocky sandy uplifted plateau composed with eroded sandstone at elev. about 500 m a.s.l. Tree 6-8 m tall in rocky places along small rocky stream. Not rare.

CPC 3452 19 May 2011

Coll.: L.Averyanov, P.K.Loc, N.Q.Hieu, P.V.The, N.T.Vinh.

FLORA OF VIETNAM

Altingiaceae

Altingia yunnanensis Rehd. et E.H. Wilson

Vietnam.

Takhtajan A., Takhtajan8401

18.01.1975

Det. Averyanov L. at 14.07.2024

FLORA OF VIETNAM

Hamamelidaceae

Altingia takhtadjanii?

Son La Prov., Yen Chau Distr., Muong Lum Municipality, Na Vang village around point 21°01’19”N 104°30’45”E.

Primary coniferous mixed forest with Calocedrus rupestris on very steep rocky slopes of remnant mountain composed with highly eroded solid limestone at elevation 900-1100 m a.s.l. Tree to 10 m tall on top of ridge. Occasional.

CPC 1907 2 April 2011

Coll.: L.Averyanov, N.T.Hiep, T.B.Ngan.

FLORA OF VIETNAM

Altingiaceae

Altingia chinensis Oliv. ex Hance.⁣

Tinh Vinh Phuc Prov.

Avrorin N., Avrorin 12051

07.05.1963

FLORA OF VIETNAM

Altingiaceae

Altingia chinensis Oliv. ex Hance.⁣

Tinh Vinh Phuc Prov.

Avrorin N., Avrorin 12016b

07.05.1963

FLORA OF VIETNAM

Hamamelidaceae

Altingia siamensis Craib

Quang Binh Prov., Minh Hoa Distr., Hoa Son municipality, near B’Lam Lang limestone mt., around point of dipterocarp forest, 17°42’23.8”N 105°47’59”E. Primary logged closed evergreen broad-leaved forest on silicat valley at elevation about 456 m a.s.l. Big deciduous tree, up to 40-45 m tall. Fallen down branches with old fruits. Very common along stream banks.

CPC 4384 17 August 2011

Coll.: N.T.Hiep, N.V.Tap, N.S.Khang & L.T.Kien.

Cycadaceae

Cycas brachycantha K.D.Hill, T.H.Nguyen & L.K.Phan

Bac Kan Province, Ba Be District, Cao Thuong Community, Ba Be National Park. Dry secondary evergreen broad-leaved forest on steep rocky slope composed by white crystalline marble-like highly eroded limestone around point 22º27’42’’N 105º34’41’E at elevation of 700–800 m a.s.l. Lithophytic palm-like plant with erect stem to 0.5 m tall and leaves to 2.5 m long on shelves of very steep rocky slope along rocky ridge edge. Locally very common. Male specimen.

27 April 2024, Nguyen Huu Cuong, Chu Ngoc Quan, L. Averyanov, T. Maisak, AL2955.

Cycadaceae

Cycas brachycantha K.D.Hill, T.H.Nguyen & L.K.Phan

Bac Kan Province, Ba Be District, Cao Thuong Community, Ba Be National Park. Dry secondary evergreen broad-leaved forest on steep rocky slope composed by white crystalline marble-like highly eroded limestone around point 22º27’42’’N 105º34’41’E at elevation of 700–800 m a.s.l. Lithophytic palm-like plant with erect stem to 0.5 m tall and leaves to 2.5 m long on shelves of very steep rocky slope along rocky ridge edge. Locally very common. Male specimen.

27 April 2024, Nguyen Huu Cuong, Chu Ngoc Quan, L. Averyanov, T. Maisak, AL2955.

Cycadaceae

Cycas brachycantha K.D.Hill, T.H.Nguyen & L.K.Phan

Bac Kan Province, Ba Be District, Cao Thuong Community, Ba Be National Park. Dry secondary evergreen broad-leaved forest on steep rocky slope composed by white crystalline marble-like highly eroded limestone around point 22º27’42’’N 105º34’41’E at elevation of 700–800 m a.s.l. Lithophytic palm-like plant with erect stem to 0.5 m tall and leaves to 2.5 m long along rocky ridge edge. Locally very common. Female specimen.

27 April 2024, Nguyen Huu Cuong, Chu Ngoc Quan, L. Averyanov, T. Maisak, AL2943.

Cycadaceae

Cycas brachycantha K.D.Hill, T.H.Nguyen & L.K.Phan

Bac Kan Province, Ba Be District, Cao Thuong Community, Ba Be National Park. Dry secondary evergreen broad-leaved forest on steep rocky slope composed by white crystalline marble-like highly eroded limestone around point 22º27’42’’N 105º34’41’E at elevation of 700–800 m a.s.l. Lithophytic palm-like plant with erect stem to 0.5 m tall and leaves to 2.5 m long along rocky ridge edge. Locally very common. Female specimen.

27 April 2024, Nguyen Huu Cuong, Chu Ngoc Quan, L. Averyanov, T. Maisak, AL2943.

Cycadaceae

Cycas brachycantha K.D.Hill, T.H.Nguyen & L.K.Phan

Bac Kan Province, Ba Be District, Cao Thuong Community, Ba Be National Park. Old secondary evergreen broad-leaved forest and scrub on very steep rocky slope composed by white crystalline marble-like highly eroded limestone above tall cliff around point 22º27’36’’N 105º39’18’E at elevation of about 300 m a.s.l. Lithophytic caudex palm-like plant with erect stem to 0.5 m tall on rather open mossy rocky steep slope. Locally common. Female specimen. “Cone” sub-globular, 15–20 cm in diameter.

25 April 2024, Nguyen Huu Cuong, Chu Ngoc Quan, L. Averyanov, T. Maisak, AL2909.

Cycadaceae

Cycas brachycantha K.D.Hill, T.H.Nguyen & L.K.Phan

Bac Kan Province, Ba Be District, Cao Thuong Community, Ba Be National Park. Old secondary evergreen broad-leaved forest and scrub on very steep rocky slope composed by white crystalline marble-like highly eroded limestone above tall cliff around point 22º27’36’’N 105º39’18’E at elevation of about 300 m a.s.l. Lithophytic caudex palm-like plant with erect stem to 0.5 m tall on rather open mossy rocky steep slope. Locally common. Female specimen. “Cone” sub-globular, 15–20 cm in diameter.

25 April 2024, Nguyen Huu Cuong, Chu Ngoc Quan, L. Averyanov, T. Maisak, AL2909.

Euphorbiaceae

Deutzianthus tonkinensis Gagnep.

Bac Kan Province, Ba Be District, Cao Thuong Community, Ba Be National Park. Secondary evergreen broad-leaved forest on steep rocky slope composed by white crystalline marble-like highly eroded limestone around point 22º27’36’’N 105º39’18’E at elevation of about 250 m a.s.l. Tree 10-12 m tall on open slope along road. Flowers white. Not common.

26 April 2024, Nguyen Huu Cuong, Chu Ngoc Quan, L. Averyanov, T. Maisak, AL2918.

Asclepiadaceae

Marsdenia sp.

Bac Kan Province, Ba Be District, Cao Thuong Community, Ba Be National Park. Secondary evergreen broad-leaved forest on steep rocky slope composed by white crystalline marble-like highly eroded limestone around point 22º27’36’’N 105º39’18’E at elevation of about 250 m a.s.l. Semi-woody vine to 10 m long (and longer) in open place, flowers light green. Not common.

26 April 2024, Nguyen Huu Cuong, Chu Ngoc Quan, L. Averyanov, T. Maisak, AL2924.

Annonaceae

Mitrephora maingayi Hook.f. & Thomson

Bac Kan Province, Ba Be District, Cao Thuong Community, Ba Be National Park. Dry secondary evergreen broad-leaved forest on steep rocky slope composed by white crystalline marble-like highly eroded limestone around point 22º27’42’’N 105º34’41’E at elevation of 700–800 m a.s.l. Treelet 6-8 m tall in shady place. Flowers white to yellowish, fragrant. Occasional.

27 April 2024, Nguyen Huu Cuong, Chu Ngoc Quan, L. Averyanov, T. Maisak, AL2946.

Rutaceae

Clausena indica Oliv.

Bac Kan Province, Ba Be District, Cao Thuong Community, Ba Be National Park. Dry secondary evergreen broad-leaved forest on steep rocky slope composed by white crystalline marble-like highly eroded limestone around point 22º27’42’’N 105º34’41’E at elevation of 700–800 m a.s.l. Treelet to 8 m tall in open rocky slope. Fruits reddish. Not rare.

27 April 2024, Nguyen Huu Cuong, Chu Ngoc Quan, L. Averyanov, T. Maisak, AL2952.

Celastraceae

Euonymus laxiflorus Champ. ex Benth.?

Bac Kan Province, Ba Be District, Cao Thuong Community, Ba Be National Park. Dry secondary evergreen broad-leaved forest on steep rocky slope composed by white crystalline marble-like highly eroded limestone around point 22º27’42’’N 105º34’41’E at elevation of 700–800 m a.s.l. Treelet 2-2.5 m tall on shady rocky slope. Flowers pink. Occasional.

27 April 2024, Nguyen Huu Cuong, Chu Ngoc Quan, L. Averyanov, T. Maisak, AL2954.

Cycadaceae

Cycas pectinata Buch.-Ham.?

Hanoi, National Forestry University area, Pacific Hotel garden, plant in cultivation. Tree 2.5–3 m tall with leaves to 2.5 m long, originated from southern Vietnam. Female specimen.

22 April 2024, L. Averyanov, Huu Cuong Nguyen, T. Maisak, AL2834

Cycadaceae

Cycas pectinata Buch.-Ham.?

Hanoi, National Forestry University area, Pacific Hotel garden, plant in cultivation. Tree 2.5–3 m tall with leaves to 2.5 m long, originated from southern Vietnam. Female specimen.

22 April 2024, L. Averyanov, Huu Cuong Nguyen, T. Maisak, AL2834

Cycadaceae

Cycas pectinata Buch.-Ham.?

Hanoi, National Forestry University area, Pacific Hotel garden, plant in cultivation. Tree 2.5–3 m tall with leaves to 2.5 m long, originated from southern Vietnam. Male specimen.

22 April 2024, L. Averyanov, Huu Cuong Nguyen, T. Maisak, AL2835.

Cycadaceae

Cycas pectinata Buch.-Ham.?

Hanoi, National Forestry University area, Pacific Hotel garden, plant in cultivation. Tree 2.5–3 m tall with leaves to 2.5 m long, originated from southern Vietnam. Male specimen.

22 April 2024, L. Averyanov, Huu Cuong Nguyen, T. Maisak, AL2835.

Cycadaceae

Cycas brachycantha K.D.Hill, T.H.Nguyen & L.K.Phan

Bac Kan Province, Ba Be District, Cao Thuong Community, Ba Be National Park. Primary and old secondary evergreen broad-leaved forest on very steep rocky slopes composed by white crystalline marble-like highly eroded limestone around point 22º27’20’’N 105º36’06’E at elevation of about 750 m a.s.l. Terrestrial palm-like plant with underground tuber-like stem and 1-5 leaves to 2 m long on very steep rocky slope. Young plants locally common. Mature samples not seen.

23 April 2024, Nguyen Huu Cuong, Chu Ngoc Quan, L. Averyanov, T. Maisak, AL2843.

Cycadaceae

Cycas brachycantha K.D.Hill, T.H.Nguyen & L.K.Phan

Bac Kan Province, Ba Be District, Cao Thuong Community, Ba Be National Park. Primary and old secondary evergreen broad-leaved forest on very steep rocky slopes composed by white crystalline marble-like highly eroded limestone around point 22º27’20’’N 105º36’06’E at elevation of about 750 m a.s.l. Terrestrial palm-like plant with underground tuber-like stem and 1-5 leaves to 2 m long on very steep rocky slope. Young plants locally common. Mature samples not seen.

23 April 2024, Nguyen Huu Cuong, Chu Ngoc Quan, L. Averyanov, T. Maisak, AL2843.

Commelinaceae

Pollia sp.

Bac Kan Province, Ba Be District, Cao Thuong Community, Ba Be National Park. Primary and old secondary evergreen broad-leaved forest on very steep rocky slopes composed by white crystalline marble-like highly eroded limestone around point 22º27’20’’N 105º36’06’E at elevation of about 750 m a.s.l. Terrestrial and lithophytic herb in shady wet place among big rocks Flowers white. Locally common.

23 April 2024, Nguyen Huu Cuong, Chu Ngoc Quan, L. Averyanov, T. Maisak, AL2844.

Pandanaceae

Pandanus sp.

Bac Kan Province, Ba Be District, Cao Thuong Community, Ba Be National Park. Primary and old secondary evergreen broad-leaved forest on very steep rocky slopes composed by white crystalline marble-like highly eroded limestone around point 22º27’20’’N 105º36’06’E at elevation of about 750 m a.s.l. Erect palm like plant with distinct internodes to 20 cm long ant stem to 2.5 m tall, and leaves to 3 m long in shady wet place between limestone hills. Not rare/

23 April 2024, Nguyen Huu Cuong, Chu Ngoc Quan, L. Averyanov, T. Maisak, AL2862.

Sterculiaceae

Sterculia lanceolata Blume

Bac Kan Province, Ba Be District, Cao Thuong Community, Ba Be National Park. Primary and old secondary evergreen broad-leaved forest on very steep rocky slopes composed by white crystalline marble-like highly eroded limestone around point 22º27’20’’N 105º36’06’E at elevation of about 750 m a.s.l. Tree to 10 m tall in rather open dry rocky slope. Flowers dull reddish. Common.

23 April 2024, Nguyen Huu Cuong, Chu Ngoc Quan, L. Averyanov, T. Maisak, AL2871.

Anacardiaceae

Pistacia weinmannifolia J.Poiss. ex Franch.

Bac Kan Province, Ba Be District, Cao Thuong Community, Ba Be National Park. Primary and old secondary evergreen broad-leaved forest on very steep rocky slopes composed by white crystalline marble-like highly eroded limestone around point 22º27’20’’N 105º36’06’E at elevation of about 750 m a.s.l. Tree to 25 m tall and 0.5 m in diameter along ridge edge. Not rare.

23 April 2024, Nguyen Huu Cuong, Chu Ngoc Quan, L. Averyanov, T. Maisak, AL2874.

Styracaceae

Styrax tonkinensis Craib ex Hartwich

Bac Kan Province, Ba Be District, Cao Thuong Community, Ba Be National Park. Old secondary evergreen broad-leaved forest and scrub on very steep rocky slope composed by white crystalline marble-like highly eroded limestone above tall cliff around point 22º27’36’’N 105º39’18’E at elevation of about 300 m a.s.l. Shrub on top or remnant rocky hill among exposed rocks. Young fruits green. Not common. 25 April 2024, Nguyen Huu Cuong, Chu Ngoc Quan, L. Averyanov, T. Maisak, AL2880.

Solanaceae

Solanum sp.

Bac Kan Province, Ba Be District, Cao Thuong Community, Ba Be National Park. Old secondary evergreen broad-leaved forest and scrub on very steep rocky slope composed by white crystalline marble-like highly eroded limestone above tall cliff around point 22º27’36’’N 105º39’18’E at elevation of about 300 m a.s.l. Terrestrial herb or undershrub about 2 m tall along road. Flowers white with light violet tint, not ripe fruits green. Common weed.

25 April 2024, Nguyen Huu Cuong, Chu Ngoc Quan, L. Averyanov, T. Maisak, AL2888.

Polypodiaceae

Asplenium prolongatum Hook.

Bac Kan Province, Ba Be District, Cao Thuong Community, Ba Be National Park. Old secondary evergreen broad-leaved forest and scrub on very steep rocky slope composed by white crystalline marble-like highly eroded limestone above tall cliff around point 22º27’36’’N 105º39’18’E at elevation of about 300 m a.s.l. Lithophytic fern on steep mossy rocky slope. Very common.

25 April 2024, Nguyen Huu Cuong, Chu Ngoc Quan, L. Averyanov, T. Maisak, AL2890.

Polypodiaceae

Asplenium sp.

Bac Kan Province, Ba Be District, Cao Thuong Community, Ba Be National Park. Old secondary evergreen broad-leaved forest and scrub on very steep rocky slope composed by white crystalline marble-like highly eroded limestone above tall cliff around point 22º27’36’’N 105º39’18’E at elevation of about 300 m a.s.l. Lithophytic fern on steep mossy rocky slope. Very common.

25 April 2024, Nguyen Huu Cuong, Chu Ngoc Quan, L. Averyanov, T. Maisak, AL2891.

Orchidaceae

Bulbophyllum sp.

Thanh Hoa Province, Quan Hoa District, Nam Dong Community, Ban Lo Village, Ke Stream, the territory of Nam Dong National Reserve around point 22º25’46’’N 105º36’58’E. Primary and old secondary broad-leaved evergreen humid forest on very steep rocky slopes on solid, marble-like highly eroded limestone at elevation 900–1200 m a.s.l. on steep rocky slope.

Creeping lithophyte and epiphyte on rocky mossy mountain top. Occasional.

04 May 2024, Nguyen Huu Cuong, Nguyen Van Ly, L. Averyanov, T. Maisak, AL3041.

Orchidaceae

Renanthera citrina Aver.⁣

Ha Giang Prov.

Averyanov L., et al.

VR 295, 16.04.2018

Orchidaceae

Gastrochilus hainanensis Z.H.Tsi

NW Vietnam, Son La Prov., Thuan Chau District, Chieng Pha Commune, base of Pha Din Pass, remnants of primary evergreen forest on limestone mountains, elevation 900–1100 m a.s.l. 19 March 2023, Lo Trung Van, Nguyen Sinh Khang, AL 2208.

Orchidaceae

Panisea uniflora (Lindl.) Lindl.?

Thanh Hoa Province, Quan Hoa District, Nam Dong Community, Ban Lo Village, Ke Stream, the territory of Nam Dong National Reserve around point 22º25’46’’N 105º36’58’E. Primary and old secondary broad-leaved evergreen humid forest on very steep rocky slopes on solid, marble-like highly eroded limestone at elevation 900–1200 m a.s.l. on steep rocky slope.

Clustering lithophyte and epiphyte on rocky mossy mountain top. Common.

04 May 2024, Nguyen Huu Cuong, Nguyen Van Ly, L. Averyanov, T. Maisak, AL3045.

Orchidaceae

Eria amica Rchb.f.?

Thanh Hoa Province, Quan Hoa District, Nam Dong Community, Ban Lo Village, Ke Stream, the territory of Nam Dong National Reserve around point 22º25’46’’N 105º36’58’E. Primary and old secondary broad-leaved evergreen humid forest on very steep rocky slopes on solid, marble-like highly eroded limestone at elevation 900–1200 m a.s.l. on steep rocky slope.

Clustering epiphyte and lithophyte on rocky mossy mountain top. Not rare.

04 May 2024, Nguyen Huu Cuong, Nguyen Van Ly, L. Averyanov, T. Maisak, AL3052.

Orchidaceae

Pholidota yunnanensis Rolfe

Thanh Hoa Province, Quan Hoa District, Nam Dong Community, Ban Lo Village, Ke Stream, the territory of Nam Dong National Reserve around point 22º25’46’’N 105º36’58’E. Primary and old secondary broad-leaved evergreen humid forest on very steep rocky slopes on solid, marble-like highly eroded limestone at elevation 900–1200 m a.s.l. on steep rocky slope.

Clustering epiphyte and lithophyte on rocky mossy mountain top. Not rare.

04 May 2024, Nguyen Huu Cuong, Nguyen Van Ly, L. Averyanov, T. Maisak, AL3055.

Orchidaceae

Coelogyne fimbriata Lindl.

Thanh Hoa Province, Quan Hoa District, Nam Dong Community, Ban Lo Village, Ke Stream, the territory of Nam Dong National Reserve around point 22º25’46’’N 105º36’58’E. Primary and old secondary broad-leaved evergreen humid forest on very steep rocky slopes on solid, marble-like highly eroded limestone at elevation 900–1200 m a.s.l. on steep rocky slope.

Creeping epiphyte and lithophyte on rocky mossy mountain top. Not rare.

04 May 2024, Nguyen Huu Cuong, Nguyen Van Ly, L. Averyanov, T. Maisak, AL3056.

Orchidaceae

Sunipia scariosa Lindl.

Thanh Hoa Province, Quan Hoa District, Nam Dong Community, Ban Lo Village, Ke Stream, the territory of Nam Dong National Reserve around point 22º25’46’’N 105º36’58’E. Primary and old secondary broad-leaved evergreen humid forest on very steep rocky slopes on solid, marble-like highly eroded limestone at elevation 900–1200 m a.s.l. on steep rocky slope.

Creeping epiphyte and lithophyte on rocky mossy mountain top. Not rare.

04 May 2024, Nguyen Huu Cuong, Nguyen Van Ly, L. Averyanov, T. Maisak, AL3060.

Orchidaceae

Ornithochilus difformis (Wall.) Schltr.

Thanh Hoa Province, Quan Hoa District, Nam Dong Community, Ban Lo Village, Ke Stream, the territory of Nam Dong National Reserve around point 22º25’46’’N 105º36’58’E. Primary and old secondary broad-leaved evergreen humid forest on very steep rocky slopes on solid, marble-like highly eroded limestone at elevation 900–1200 m a.s.l. on steep rocky slope.

Epiphyte on rocky mossy mountain top. Not rare.

04 May 2024, Nguyen Huu Cuong, Nguyen Van Ly, L. Averyanov, T. Maisak, AL3061.

Orchidaceae

Vanda concolor Blume

Thanh Hoa Province, Quan Hoa District, Nam Dong Community, Ban Lo Village, Ke Stream, the territory of Nam Dong National Reserve around point 22º25’46’’N 105º36’58’E. Primary and old secondary broad-leaved evergreen humid forest on very steep rocky slopes on solid, marble-like highly eroded limestone at elevation 900–1200 m a.s.l. on steep rocky slope.

Epiphyte on tall mossy trees on rocky mossy mountain top. Not rare.

04 May 2024, Nguyen Huu Cuong, Nguyen Van Ly, L. Averyanov, T. Maisak, AL3062.

Orchidaceae

Gastrochilus minutiflorus Aver.

NW Vietnam, Son La Prov., Thuan Chau District, Chieng Pha Commune, base of Pha Din Pass, remnants of primary evergreen forest on limestone mountains, elevation 900–1100 m a.s.l.

19 March 2023, Lo Trung Van, Nguyen Sinh Khang, AL 2209.