Herbarium LE - Specimens

Rubiaceae

Lasianthus cyanocarpus Jack.⁣

Tinh Vinh Phuc Prov.

N 3132, 16.06.1961

Det. Tran Ngoc Ninh at 04.1973

Rubiaceae

Lasianthus cyanocarpus Jack.⁣

Vietnam.

Takhtajan, Armen Leonovich.

Takhtajan 062, 09.10.1960

Det. Tran Ngoc Ninh at 04.1973

Lasianthus chinensis Benth

Lasianthus wallichii Wight⁣

Lasianthus condorensis Picrre⁣

Lasianthus condorensis Picrre

Rubiaceae

Pavetta sp.

Dien Bien Prov., Muong Nhe Distr., Muong Nhe Natural Reserve, Sin Thau Municipality, A Pa Chai Village around point about N22º22’51’’ E102º14’26”. Old humid secondary evergreen broad-leaved submontane forest of steep mountain slopes composed with sandstone at elevations 700–800 m a.s.l. along small stream. Small treelet about 3 m tall on shady slope along stream. Flowers white. Very common.

15 May 2022, L. Averyanov, Tran Huy Thai, Khang Sinh Nguyen, Cuong Huu Nguyen, T. Maisak, Bac Cam Khoa, VR 1657.

Carlemanniaceae (Rubiaceae s.l.)

Silvianthus tonkinensis (Gagnep.) Ridsdale?

Dien Bien Prov., Muong Nhe Distr., Muong Nhe Natural Reserve, Sin Thau Municipality, A Pa Chai Village around point about N22º22’51’’ E102º14’26”. Old humid secondary evergreen broad-leaved submontane forest of steep mountain slopes composed with sandstone at elevations 700–800 m a.s.l. along small stream. Treelet 2.5-3 m tall in rather open place on stream slope. Occasional.

15 May 2022, L. Averyanov, Tran Huy Thai, Khang Sinh Nguyen, Cuong Huu Nguyen, T. Maisak, Bac Cam Khoa, VR 1674.

Rubiaceae

Mycetia glandulosa Craib

Dien Bien Prov., Muong Nhe Distr., Muong Nhe Natural Reserve, Leng Su Sin Municipality, Leng Su Sin Village around point about N22º21’18’’ E102º19’08”. Secondary evergreen broad-leaved lowland and submontane forest on mountain slopes composed with sandstone at elevations 700–950 m a.s.l. Undershrub about 1 tall. Flowers yellow. Occasional.

19 May 2022, L. Averyanov, Tran Huy Thai, Khang Sinh Nguyen, T. Maisak, VR 1774.

Rubiaceae

Pavetta hongkongensis Bremek.

Dien Bien Prov., Muong Nhe Distr., Muong Nhe Natural Reserve, Leng Su Sin Municipality, A Suoi Voi Village around point about N22º20’16’’ E102º21’35”. Secondary evergreen broad-leaved lowland and submontane forest on mountain slopes composed with sandstone at elevations 500–600 m a.s.l. Shrub about 2 m tall in rather open place. Flowers white. Common.

18 May 2022, L. Averyanov, Tran Huy Thai, Khang Sinh Nguyen, T. Maisak, VR 1715.

Rubiaceae

Saprosma ternata Benth. & Hook.f.

Dien Bien Prov., Muong Nhe Distr., Muong Nhe Natural Reserve, Leng Su Sin Municipality, A Suoi Voi Village around point about N22º20’16’’ E102º21’35”. Secondary evergreen broad-leaved lowland and submontane forest on mountain slopes composed with sandstone at elevations 500–600 m a.s.l. Shrub about 1.5 m tall in rather open place. Flowers white. Not common.

18 May 2022, L. Averyanov, Tran Huy Thai, Khang Sinh Nguyen, T. Maisak, VR 1714.

Rubiaceae

Mussaenda macrophylla

Dien Bien Prov., Muong Nhe Distr., Muong Nhe Natural Reserve, Sin Thau Municipality, A Pa Chai Village around point about N22º22’51’’ E102º14’26”. Old humid secondary evergreen broad-leaved submontane forest of steep mountain slopes composed with sandstone at elevations 700–800 m a.s.l. along small stream. Tree about 4 m tall in rather open place on stream slope. Flowers orange, floral bracts white. Common.

15 May 2022, L. Averyanov, Tran Huy Thai, Khang Sinh Nguyen, Cuong Huu Nguyen, T. Maisak, Bac Cam Khoa, VR 1672.

Rubiaceae

Chassalia curviflora (Wall.) Thwaites

Dien Bien Prov., Muong Nhe Distr., Muong Nhe Natural Reserve, Sin Thau Municipality, A Pa Chai Village around point about N22º22’51’’ E102º14’26”. Old humid secondary evergreen broad-leaved submontane forest of steep mountain slopes composed with sandstone at elevations 700–800 m a.s.l. along small stream. Small treelet of shrub 2-2.5 m tall on shady stream slope. Flowers white. Occasional.

15 May 2022, L. Averyanov, Tran Huy Thai, Khang Sinh Nguyen, Cuong Huu Nguyen, T. Maisak, Bac Cam Khoa, VR 1670.

Rubiaceae

Mycetia sp.?

Bac Kan Province, Ba Be District, Ba Be National Park.

Evergreen broad-leaved old secondary forest with domination of Burretiodendron hsienmu, Streblus asper and Arenga pinnata on crystalline highly eroded rocky limestone near the boat station at elevation 250-300 m a.s.l.

Terrestrial herb to 1.5 m tall in open wet place on very steep rocky slope. Flowers light pale yellow. Occasional.

18 November 2022, Nguyen Huu Cuong, Cao Xuan Hai, L. Averyanov, T. Maisak, AL 1686.

Rubiaceae

Ridsdalea sp. nov.?

Ridsdalea vietnamensis (Tirveng.) J.T.Pereira (=Rothmannia vietnamensis Tirveng.) aff.

Bac Kan Province, Ba Be District, central part of Ba Be National Park. Dray evergreen broad-leaved old secondary forest with domination of Burretiodendron hsienmu, Streblus asper and Arenga pinnata on crystalline highly eroded rocky limestone along Ba Be River at elevation about 250 m a.s.l. Tree 15-20 m tall on rocky slope in humid valley between limestone hills. Flowers white, inside tube with pale purple marks. Fruits broadly ellipsoid to almost globular, dark green, 4–5 cm in diameter, 4.5–8 cm long, inside with black jelly and (15)20–55(65) hard stony white (but with dark brown cover) triangular flattened seeds 1.5–1.8 mm broad. Occasional.

17 November 2022, Nguyen Huu Cuong, Cao Xuan Hai, L. Averyanov, T. Maisak, AL 1680.

Rubiaceae

Ophiorrhiza sp.nov.?

Bac Kan Province, Ba Be District, Nam Mau Municipality, central part of Ba Be National Park.

Rather dray evergreen broad-leaved old secondary forest with domination of Burretiodendron hsienmu and Streblus asper on crystalline highly eroded rocky limestone at elevation 600-750 m a.s.l.

Lithophytic herb to 0.6 m tall on exposed wet rocks in humid valley between limestone hills. Leaves dark green above, dark purple brown below. Flowers white to pale pink, flower tube white with violet tint. Locally common.

16 November 2022, Nguyen Huu Cuong, Cao Xuan Hai, L. Averyanov, T. Maisak, AL 1663.

Rubiaceae

Ridsdalea sp.nov.?

Ridsdalea vietnamensis (Tirveng.) J.T.Pereira (=Rothmannia vietnamensis Tirveng.) aff.

Bac Kan Province, Ba Be District, Ba Be National Park. Dray evergreen broad-leaved old secondary forest with domination of Burretiodendron hsienmu, Streblus asper and Arenga pinnata on crystalline highly eroded rocky limestone near the boat station at elevation 250–300 m a.s.l. Tree 10-15 on shady rocky steep slope. Flower tube white outside, inside white with many reddish purple marks, pistil and anthers white. Not common.

18 November 2022, Nguyen Huu Cuong, Cao Xuan Hai, L. Averyanov, T. Maisak, AL 1682.

Rubiaceae

Ridsdalea sp.nov.?

Ridsdalea vietnamensis (Tirveng.) J.T.Pereira (=Rothmannia vietnamensis Tirveng.) aff.

Bac Kan Province, Ba Be District, Ba Be National Park. Dray evergreen broad-leaved old secondary forest with domination of Burretiodendron hsienmu, Streblus asper and Arenga pinnata on crystalline highly eroded rocky limestone near the boat station at elevation 250–300 m a.s.l. Tree 10-15 on shady rocky steep slope. Flower tube white outside, inside white with many reddish purple marks, pistil and anthers white. Not common.

18 November 2022, Nguyen Huu Cuong, Cao Xuan Hai, L. Averyanov, T. Maisak, AL 1682.

Rubiaceae

Ridsdalea sp.nov.?

Ridsdalea vietnamensis (Tirveng.) J.T.Pereira (=Rothmannia vietnamensis Tirveng.) aff.

Bac Kan Province, Ba Be District, Ba Be National Park. Dray evergreen broad-leaved old secondary forest with domination of Burretiodendron hsienmu, Streblus asper and Arenga pinnata on crystalline highly eroded rocky limestone near the boat station at elevation 250–300 m a.s.l. Tree 10-15 on shady rocky steep slope. Flower tube white outside, inside white with many reddish purple marks, pistil and anthers white. Not common.

18 November 2022, Nguyen Huu Cuong, Cao Xuan Hai, L. Averyanov, T. Maisak, AL 1682.

Rubiaceae

Hedyotis sp.

Binh Thuan Province, Tanh Linh District, Lac Tanh Village, around point N11.1616 E107.5200.

Dense secondary evergreen broad-leaved forest on granite on very steep slopes of small stream at elevation about 400 m a.s.l. Terrestrial herb in open wet place along road. Flowers white or white with light violet tint. Not common. 29 November 2022, L. Averyanov, Nguyen Van Canh, T. Maisak, Truong Ba Vuong, Nguyen Quoc Bao, AL 1868 (photos).

Rubiaceae

Spriradiclis sp.

Lang Son province, Bac Son district, Vu Le commune, heavily logging evergreen broad-leaved forest on limestone mountain, around point, in shaded places near top.

21 September 2022, K.S. Nguyen, V.D. Nguyen, D.T. Tran & N.Q. Chu, NSK 1401.

Rubiaceae

Ixora coccinea L.

Quang Nam Prov.

Cuong Huu Nguyen et al.

CHKH 20220624121

24.06.2022

Fam. Rubiaceae

Ophiorrhiza sp.

Northern Vietnam, Lao Cai Prov., Van Ban Distr., Khanh Yen Ha municipality, elevation from Na Nheo village to the S from 680 to 880 m a.s.l. (around point 21ø59'24''N, 104ø16'23''E). Primary evergreen broad-leaved submontane forest on steep granite and quartzite slopes at elev. 800-880 m a.s.l. Terrestrial herb with white fragrant flowers. Very common. Usual co-dominant of herb stratum.

No HAL 2298 (Photo) 14 March 2002

Collectors: L.Averyanov, P.K.Loc, D.T.Doan (FFI Project).

Rubiaceae

Ophiorrhiza sp.⁣

Lao Cai Prov.

Nguyen Van Du et.al.

LC-DKT02, 25.10.2022

Rubiaceae

Gardenia sootepensis Hutch.⁣

Quang Nam Prov.

Cuong Huu Nguyen et.al.

CHKH20220623102, 23.06.2022

Lasianthus sp.

Lam Dong province, Lac Duong district, Da Chais, Bi Doup-Nui Ba N.P., route to plant diversity area for environment education, near Salmon pound No.3, Primary broad-leaved mixed with coniferous forest on sandstone mountain, at shaded and wet places along small stream bank, around point 12.17269o N, 108.70132o E, elevation of 1460-1500 m a.s.l. Small shrub about 1-1.5 m talll, flower white, purple at abaxial tube, not hairy, common. 15 November 2019, Nguyen Sinh Khang, Mac Mahan Scott Forrest, Zale Peter Jeffrey, Paige Gregory & Truong Quang Cuong, LD 39

Lasianthus sp.

Lam Dong province, Lac Duong district, Da Chais, Bi Doup-Nui Ba N.P., route to plant diversity area for environment education, near Salmon pound No.3, Primary broad-leaved mixed with coniferous forest on sandstone mountain, at shaded and wet places along small stream bank, around point 12.17269o N, 108.70132o E, elevation of 1460-1500 m a.s.l. Small shrub about 1-2.5 m talll, flower dull white then turning yellowish, hairy at abaxial, common. 15 November 2019, Nguyen Sinh Khang, Mac Mahan Scott Forrest, Zale Peter Jeffrey, Paige Gregory & Truong Quang Cuong, LD 40

Urophyllum sp.

Lam Dong province, Lac Duong district, Da Chais, Bi Doup-Nui Ba N.P., behind Hon Giao station, Primary broad-leaved mixed with coniferous forest on sandstone mountain, at ridges and slopes, around point 12.18977o N, 108.68414o E, elevation of 1460-1500 m a.s.l. Shrub about 3-5 m, fruits green, not rare. 15 November 2019, Nguyen Sinh Khang, Mac Mahan Scott Forrest, Zale Peter Jeffrey, Paige Gregory & Truong Quang Cuong, LD 41

Rubiaceae

Ophiorrhiza japonica Blume

Ha Noi City Area, Ba Vi District, Ba Vi National Park, evergreen broad-leaved forest.

29 October 2022, Nguyen Sinh Khang, AL 2199.

FLORA OF VIETNAM

Rubiaceae

Aidia sp?

Lang Son province, Loc Binh district, Mau Son commune, evergreen broad-leaved forest on granite mountain, around point N21.83054o E106.98691o, elevation 600-1000 m a.s.l. Treelet 3-6 m tall.

3 November 2022, Van Du Nguyen, Khang Sinh Nguyen, Xuan Thanh Trinh, Peter Zale, LS-DKT 13.

Rubiaceae

Lasyanthus sp.

Lam Dong Province, the border of Lac Duong and Dam Rong districts, Bidoup – Nui Ba National Park, mountain evergreen broad-leaved and mixed forest (with Pinus kesiya) at elevation 1600–1800 m a.s.l. Treelet about 3 m tall on shady slope. Rare. 21 February 2023, L. Averyanov, Nguyen Van Canh, Nong Van Duy, AL 2111.

Rubiaceae

Hedyotis sp.

Quang Nam Prov.

Cuong Huu Nguyen, Khang Sinh Nguyen et al.

CKH s.n , 20.04.2022.

Rubiaceae

Ophiorrhiza howii S.H. Lo

Rubiaceae

Ophiorrhiza sp.

Lao Cai prov., Sa Pa distr., Ngu Chi Son commune, on the trail to Ngu Chi Son mountain, around point from N22.42325º E103.75105º to N22.40975º E103.74072º, alt. 1800-2500 m a.s.l., primary evergreen broad-leaved humid forest on granite mountain. Terrestrial herb to 70 long, flower purplish to almost white, locally common.

Rubiaceae

Spiradiclis sp.

Rubiaceae

Rubiaceae

Ophiorrhiza sp.

Rubiaceae

Ophiorrhiza sp.

Cao Bang Province, Tra Linh District, Luu Ngoc Commune, mountain on the left side of trail to the Lung Mun Village. 14 April 2019, Nguyen Sinh Khang et al., NSK 1255.

Rubiaceae

Ophiorrhiza sp.

Cao Bang Province, Nguyen Binh District, Yen Lac Commune, Khau Lu Village. 16 April 2019, Nguyen Sinh Khang et al., NSK 1262.

The same place but leave bigger than NSK 1261. It is the same species with NSK 1261. O. petrophila

Rubiaceae

Ophiorrhiza japonica Blume

Hanoi City Area, Ba Vi District, southern prat of Ba Vi National Park, Ba Vi Mountain Range. Primary and old secondary broad-leaved evergreen forest on steep slopes composed with solid shaly limestone at elevation 900–950 m a.s.l. Terrestrial and lithophytic herb to 0.5 m tall on steep rocky slope in rather open place. Flowers white. Very common.

12 November 2022, Nguyen Huu Cuong, Chu Ngoc Quan, L. Averyanov, T. Maisak, AL 1631.

Rubiaceae

Borreria sp.

Lam Dong Province, Dam Rong District, Da Tong Commune, Da Nhinh 2 Hamlet. Herb. Stem tomentose. Leaves opposite, lanceolate, tomentose in both sides, obtuse at base, acute at apex. Stipule short, rounded, with several long hair. Inflorescence axillary, sessile.

27.11.2022, Nguyen Quoc Bao, Truong Ba Vuong, Nguyen Van Canh, L. Averyanov, T. Maisak et al., QB03.

Det.: Nguyen Quoc Bao. Photo by Truong Ba Vuong.

All photos © - Truong Ba Vuong