Herbarium LE - Specimens

Lowiaceae

Orchidantha sp.

Binh Dinh Province, Van Canh District. Secondary evergreen broad-leaved dry forest with bamboo along rocky river on granite at elevation of about 100 m a.s.l., around point 13º44’N 108º57’E. Rosulate herb in shady place along rocky river. Flowers with strong, very unpleasant smell, olive-greenish, medial tepal black, “column white”. Not common.

13 April 2026, L. Averyanov, Nguyen Van Canh, Truong Ba Vuong, Nguyen Quoc Bao, T. Maisak, АL4903.

Araceae

Pothos scandens L.

Binh Dinh Province, Van Canh District. Secondary evergreen broad-leaved dry forest with bamboo along rocky river on granite at elevation of about 100 m a.s.l., around point 13º44’N 108º57’E. Creeping epiphytic vine to 10 m long on tall trees along rocky river. Spathe purple-brown, inflorescence light yellow. Common.

13 April 2026, L. Averyanov, Nguyen Van Canh, Truong Ba Vuong, Nguyen Quoc Bao, T. Maisak, АL4902.

Rubiaceae

Ridsdalea eucodon (K.Schum.) J.T.Pereira

Binh Dinh Province, Van Canh District. Secondary evergreen broad-leaved dry forest with bamboo along rocky river on granite at elevation of about 100 m a.s.l., around point 13º44’N 108º57’E. Tree 12-14 m tall along rocky river. Flowers white outside, inside greenish with many small purple-brown marks. Rare.

13 April 2026, L. Averyanov, Nguyen Van Canh, Truong Ba Vuong, Nguyen Quoc Bao, T. Maisak, АL4901.

Rubiaceae

Ridsdalea eucodon (K.Schum.) J.T.Pereira

Binh Dinh Province, Van Canh District. Secondary evergreen broad-leaved dry forest with bamboo along rocky river on granite at elevation of about 100 m a.s.l., around point 13º44’N 108º57’E. Tree 12-14 m tall along rocky river. Flowers white outside, inside greenish with many small purple-brown marks. Rare.

13 April 2026, L. Averyanov, Nguyen Van Canh, Truong Ba Vuong, Nguyen Quoc Bao, T. Maisak, АL4901.

Rosaceae

Rubus leucanthus Hance

Lai Chau Province, Muong Te District, Mu Ca Commune. Highly degraded secondary evergreen broad-leaved forest along rocky stream on stratified shale and granite on steep mountain slope at elevation of about 500 m a.s.l. around point 22º24’42’’N 102º24’35’’E. Climbing shrub with shoots to 3 m long on open steep road slope near small rocky stream. Flowers white. Common.

24 April 2026, Nguyen Tuan Duong, Nguyen Chi Thanh, Nguyen Tuan Cuong, Nguyen Tien Hiep, Nguyen Huu Cuong, L. Averyanov, T. Maisak, АL4999.

Det.: Hoa Thi Nguyen 29 April 2026.

Fabaceae s.str.

Derris sp.?

Lai Chau Province, Muong Te District, Mu Ca Commune. Highly degraded secondary evergreen broad-leaved forest along rocky stream on stratified shale and granite on steep mountain slope at elevation of about 500 m a.s.l. around point 22º24’42’’N 102º24’35’’E. Woody, many-branching vine to 12-15 m long on open rocky cliff along roadcut. Tepals purple-violet, flag white with greenish center. Occasional.

24 April 2026, Nguyen Tuan Duong, Nguyen Chi Thanh, Nguyen Tuan Cuong, Nguyen Tien Hiep, Nguyen Huu Cuong, L. Averyanov, T. Maisak, АL4998.

Fabaceae s.str.

Derris sp.?

Lai Chau Province, Muong Te District, Mu Ca Commune. Highly degraded secondary evergreen broad-leaved forest along rocky stream on stratified shale and granite on steep mountain slope at elevation of about 500 m a.s.l. around point 22º24’42’’N 102º24’35’’E. Woody, many-branching vine to 10-12 m long on open rocky cliff along roadcut. Flowers purple. Occasional.

24 April 2026, Nguyen Tuan Duong, Nguyen Chi Thanh, Nguyen Tuan Cuong, Nguyen Tien Hiep, Nguyen Huu Cuong, L. Averyanov, T. Maisak, АL4997.

Fabaceae s.str.

Derris sp.?

Lai Chau Province, Muong Te District, Mu Ca Commune. Highly degraded secondary evergreen broad-leaved forest along rocky stream on stratified shale and granite on steep mountain slope at elevation of about 500 m a.s.l. around point 22º24’42’’N 102º24’35’’E. Woody, many-branching vine to 10-12 m long on open rocky cliff along roadcut. Flowers purple. Occasional.

24 April 2026, Nguyen Tuan Duong, Nguyen Chi Thanh, Nguyen Tuan Cuong, Nguyen Tien Hiep, Nguyen Huu Cuong, L. Averyanov, T.

Maisak, АL4997.

Balsaminaceae

Impatiens sp.

Lai Chau Province, Muong Te District, Mu Ca Commune. Highly degraded secondary evergreen broad-leaved forest along rocky stream on stratified shale and granite on steep mountain slope at elevation of about 500 m a.s.l. around point 22º24’42’’N 102º24’35’’E. Terrestrial and lithophytic herb to 1 m tall on steep wet shady rocky stream slope near water. Flowers rich yellow, center bright red. Common.

24 April 2026, Nguyen Tuan Duong, Nguyen Chi Thanh, Nguyen Tuan Cuong, Nguyen Tien Hiep, Nguyen Huu Cuong, L. Averyanov, T. Maisak, АL4993.

Selaginellaceae

Selaginella sp.

Lai Chau Province, Muong Te District, Mu Ca Commune. Highly degraded secondary evergreen broad-leaved forest along rocky stream on stratified shale and granite on steep mountain slope at elevation of about 500 m a.s.l. around point 22º24’42’’N 102º24’35’’E. Terrestrial suberect herb to 0.5 m tall on steep wet rocky stream slope. Common.

24 April 2026, Nguyen Tuan Duong, Nguyen Chi Thanh, Nguyen Tuan Cuong, Nguyen Tien Hiep, Nguyen Huu Cuong, L. Averyanov, T. Maisak, АL4991.

Carlemanniaceae

Silvianthus tonkinensis (Gagnep.) Ridsdale

Lai Chau Province, Muong Te District, Mu Ca Commune. Highly degraded secondary evergreen broad-leaved forest along rocky stream on stratified shale and granite on steep mountain slope at elevation of about 500 m a.s.l. around point 22º24’42’’N 102º24’35’’E. Shrub to 3 m tall in rather open rocky place along river. Flowers yellow. Not common.

24 April 2026, Nguyen Tuan Duong, Nguyen Chi Thanh, Nguyen Tuan Cuong, Nguyen Tien Hiep, Nguyen Huu Cuong, L. Averyanov, T. Maisak, АL4990.

Selaginellaceae

Selaginella sp.

Lai Chau Province, Muong Te District, Mu Ca Commune. Highly degraded secondary evergreen broad-leaved forest along rocky stream on stratified shale and granite on steep mountain slope at elevation of about 500 m a.s.l. around point 22º24’42’’N 102º24’35’’E. Ascending to erect herb to 0.5 m tall in open rocky place along stream. Very common.

24 April 2026, Nguyen Tuan Duong, Nguyen Chi Thanh, Nguyen Tuan Cuong, Nguyen Tien Hiep, Nguyen Huu Cuong, L. Averyanov, T. Maisak, АL4988.

Fabaceae s.str.

Derris sp.?

Lai Chau Province, Muong Te District, Mu Ca Commune. Highly degraded secondary evergreen broad-leaved forest along rocky stream on stratified shale and granite on steep mountain slope at elevation of about 500 m a.s.l. around point 22º24’42’’N 102º24’35’’E. Woody vine to 10 m long in open cliff. Flowers purple-violet. Rare.

24 April 2026, Nguyen Tuan Duong, Nguyen Chi Thanh, Nguyen Tuan Cuong, Nguyen Tien Hiep, Nguyen Huu Cuong, L. Averyanov, T. Maisak, АL4987.

Saurauiaceae

Saurauia sp.

Lai Chau Province, Muong Te District, Mu Ca Commune. Highly degraded secondary evergreen broad-leaved forest along rocky stream on stratified shale and granite on steep mountain slope at elevation of about 500 m a.s.l. around point 22º24’42’’N 102º24’35’’E. Tree to 5 m tall in open rocky place along stream. Flowers white, center red-purple. Occasional.

24 April 2026, Nguyen Tuan Duong, Nguyen Chi Thanh, Nguyen Tuan Cuong, Nguyen Tien Hiep, Nguyen Huu Cuong, L. Averyanov, T. Maisak, АL4986.

Capparidaceae

Crateva religiosa G.Forst.

Lai Chau Province, Muong Te District, Mu Ca Commune. Highly degraded secondary evergreen broad-leaved forest along rocky stream on stratified shale and granite on steep mountain slope at elevation of about 500 m a.s.l. around point 22º24’42’’N 102º24’35’’E. Treelet 3-4 m tall on very steep rocky slope of small stream. Flowers white. Not common.

24 April 2026, Nguyen Tuan Duong, Nguyen Chi Thanh, Nguyen Tuan Cuong, Nguyen Tien Hiep, Nguyen Huu Cuong, L. Averyanov, T. Maisak, АL4984.

Capparidaceae

Crateva religiosa G.Forst.

Lai Chau Province, Muong Te District, Mu Ca Commune. Highly degraded secondary evergreen broad-leaved forest along rocky stream on stratified shale and granite on steep mountain slope at elevation of about 500 m a.s.l. around point 22º24’42’’N 102º24’35’’E. Treelet 3-4 m tall on very steep rocky slope of small stream. Flowers white. Not common.

24 April 2026, Nguyen Tuan Duong, Nguyen Chi Thanh, Nguyen Tuan Cuong, Nguyen Tien Hiep, Nguyen Huu Cuong, L. Averyanov, T.

Maisak, АL4984.

Melastomataceae

Sonerila peltata Aver. & V.C. Nguyen, sp. nov. (gen. nov.?)

Khanh Hoa Province, Khanh Vinh District, Khanh Le Pass. Primary evergreen broad-leaved forest on very steep rocky mountain slopes on granite and gneiss at elevation of 1000-1200 m a.s.l., around point 12º13’N 108º44’E. Erect or ascending, terrestrial and lithophytic herb to 0.5 m tall on shelves of tall granite cliffs in light shade of rather open forest. Rare.

19 April 2026, L. Averyanov, Nguyen Van Canh, T. Maisak, АL4975.

Melastomataceae

Sonerila peltata Aver. & V.C. Nguyen, sp. nov. (gen. nov.?)

Khanh Hoa Province, Khanh Vinh District, Khanh Le Pass. Primary evergreen broad-leaved forest on very steep rocky mountain slopes on granite and gneiss at elevation of 1000-1200 m a.s.l., around point 12º13’N 108º44’E. Erect or ascending, terrestrial and lithophytic herb to 0.5 m tall on shelves of tall granite cliffs in light shade of rather open forest. Rare.

19 April 2026, L. Averyanov, Nguyen Van Canh, T. Maisak, АL4975.

Gentianaceae

Canscora andrographioides C.B.Clarke?

Khanh Hoa Province, Khanh Vinh District, Khanh Le Pass. Primary evergreen broad-leaved forest on very steep rocky mountain slopes on granite and gneiss at elevation of 1000-1200 m a.s.l., around point 12º13’N 108º44’E. Erect or pendulous, terrestrial and lithophytic herb to 30 cm tall on open granite cliffs among open shrubs. Flowers white. Locally common.

19 April 2026, L. Averyanov, Nguyen Van Canh, T. Maisak, АL4974.

Selaginellaceae

Selaginella sp.

Khanh Hoa Province, Khanh Vinh District, Khanh Le Pass. Primary evergreen broad-leaved forest on very steep rocky mountain slopes on granite and gneiss at elevation of 1000-1200 m a.s.l., around point 12º13’N 108º44’E. Pendulous herb to 0.4 m long on open vertical wet cliff of small waterfall near main road. Not common.

19 April 2026, L. Averyanov, Nguyen Van Canh, T. Maisak, АL4971.

Begoniaceae

Begonia hanhhoae C.W.Lin, V.C.Nguyen, Vuong & Aver.

Khanh Hoa Province: Ninh Hoa District, Ninh Sim Commune. 27 Sep.2025, Nguyen Van Canh, Nguyen Van Khuong, Thi Hoa Nguyen, Truong Ba Vuong BV 1958

Convallariaceae

Peliosanthes yunnanensis F.T.Wang & Tang

Ha Giang Province, Quan Ba District, Cao Ma Po (Cao Mã Pờ) Commune.

19 December 2025, Truong Ba Vuong, BV 1957.

Orchidaceae

Taeniophyllum minimum Guillaumin var. rubrum Aver. et al.?

Lam Dong Province, Dalat City area. Guajava private garden at elevation of about 1300-1400 m a.s.l. Adpressed aphyllous epiphyte on small Guajava trunks. Flowers and inflorescence red. Not common.

17 April 2026, Truong Ba Vuong, L. Averyanov, Nguyen Van Canh, T. Maisak, АL4938.

Orchidaceae

Dendrobium truncatum Lindl.

Gia Lai Province, K'Bang District. Secondary and remnants of primary evergreen broad-leaved dry forest with Dacrydium on lava rocks (red soils) at elevation about 1000 m a.s.l., around point 14º15N 108º35E. Clustering epiphyte on tall tree. Not common.

6 April 2026, L. Averyanov, Nguyen Van Canh, Truong Ba Vuong, Nguyen Quoc Bao, T. Maisak, АL4796 (living plant only).

Fl. in culture on 14 July 2026, L. Averyanov, AL4796.