Herbarium LE - Specimens

Liliaceae s.l. (Phormiaceae)

Chlorophytum malayense Ridl.

Lai Chau Province, Muong Te District, Mu Ca Commune. Old rich secondary evergreen broad-leaved forest on stratified shale at elevation of about 540 m a.s.l. around point 22º29’40’’N 102º24’15’’E. Terrestrial and lithophytic herb in wet shady slope. Flowers white. Not rare.

25 April 2026, Nguyen Tuan Duong, Nguyen Chi Thanh, Nguyen Tuan Cuong, Nguyen Tien Hiep, Nguyen Huu Cuong, L. Averyanov, T. Maisak, АL5017.

Balsaminaceae

Impatiens sp.

Lai Chau Province, Muong Te District, Mu Ca Commune. Old rich secondary evergreen broad-leaved forest on stratified shale at elevation of about 540 m a.s.l. around point 22º29’40’’N 102º24’15’’E. Terrestrial and lithophytic herb in wet rocks along stream. Flowers yellow with pink and red. Not common.

25 April 2026, Nguyen Tuan Duong, Nguyen Chi Thanh, Nguyen Tuan Cuong, Nguyen Tien Hiep, Nguyen Huu Cuong, L. Averyanov, T. Maisak, АL5018.

Begoniaceae

Begonia sp.

Lai Chau Province, Muong Te District, Mu Ca Commune. Old rich secondary evergreen broad-leaved forest on stratified shale at elevation of about 540 m a.s.l. around point 22º29’40’’N 102º24’15’’E. Erect terrestrial and lithophytic herb to 1 m tall on shady rocky slope. Leaves uniform green. Not common.

25 April 2026, Nguyen Tuan Duong, Nguyen Chi Thanh, Nguyen Tuan Cuong, Nguyen Tien Hiep, Nguyen Huu Cuong, L. Averyanov, T. Maisak, АL5020.

Begoniaceae

Begonia sp.

Lai Chau Province, Muong Te District, Mu Ca Commune. Old rich secondary evergreen broad-leaved forest on stratified shale at elevation of about 540 m a.s.l. around point 22º29’40’’N 102º24’15’’E. Erect terrestrial and lithophytic herb to 1 m tall on shady rocky slope. Leaves uniform green. Not common.

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

Maisak, АL5020.

Rubiaceae

Ophiorrhiza sp.

Lai Chau Province, Muong Te District, Mu Ca Commune. Old rich secondary evergreen broad-leaved forest on stratified shale at elevation of about 540 m a.s.l. around point 22º29’40’’N 102º24’15’’E. Subprostrate terrestrial and lithophytic herb on shady rocky slope. Leaves dark green with white median stripe, flowers white apically pink purple. Occasional.

25 April 2026, Nguyen Tuan Duong, Nguyen Chi Thanh, Nguyen Tuan Cuong, Nguyen Tien Hiep, Nguyen Huu Cuong, L. Averyanov, T. Maisak, АL5021.

Rubiaceae

Gen. sp.

Lai Chau Province, Muong Te District, Mu Ca Commune. Old rich secondary evergreen broad-leaved forest on stratified shale at elevation of about 540 m a.s.l. around point 22º29’40’’N 102º24’15’’E. Tree 4-6 m tall. Flowers white. Not common.

25 April 2026, Nguyen Tuan Duong, Nguyen Chi Thanh, Nguyen Tuan Cuong, Nguyen Tien Hiep, Nguyen Huu Cuong, L. Averyanov, T. Maisak, АL5023.

Scrophulariaceae

Lindernia sp.

Lai Chau Province, Muong Te District, Mu Ca Commune. Old rich secondary evergreen broad-leaved forest on stratified shale at elevation of about 540 m a.s.l. around point 22º29’40’’N 102º24’15’’E. Creeping herb in wet open place. Flowers light pink, yellow inside. Not common.

25 April 2026, Nguyen Tuan Duong, Nguyen Chi Thanh, Nguyen Tuan Cuong, Nguyen Tien Hiep, Nguyen Huu Cuong, L. Averyanov, T. Maisak, АL5024.

Rubiaceae

Pavetta sp.?

Lai Chau Province, Muong Te District, Mu Ca Commune. Old rich secondary evergreen broad-leaved forest on stratified shale at elevation of about 540 m a.s.l. around point 22º29’40’’N 102º24’15’’E. Shrub to 3 m tall. Flowers white. Not common.

25 April 2026, Nguyen Tuan Duong, Nguyen Chi Thanh, Nguyen Tuan Cuong, Nguyen Tien Hiep, Nguyen Huu Cuong, L. Averyanov, T. Maisak, АL5025.

Rubiaceae

Ixora sp.

Lai Chau Province, Muong Te District, Mu Ca Commune. Old rich secondary evergreen broad-leaved forest on stratified shale at elevation of about 540 m a.s.l. around point 22º29’40’’N 102º24’15’’E. Shrub to 4 m tall. Flowers bright red. Not common.

25 April 2026, Nguyen Tuan Duong, Nguyen Chi Thanh, Nguyen Tuan Cuong, Nguyen Tien Hiep, Nguyen Huu Cuong, L. Averyanov, T. Maisak, АL5026.

Rubiaceae

Morinda officinalis F.C.How

Lai Chau Province, Muong Te District, Mu Ca Commune. Old rich secondary evergreen broad-leaved forest on stratified shale at elevation of about 540 m a.s.l. around point 22º29’40’’N 102º24’15’’E. Treelet 2-3 m tall. Flowers white with strong spacy fragrance. Not common.

25 April 2026, Nguyen Tuan Duong, Nguyen Chi Thanh, Nguyen Tuan Cuong, Nguyen Tien Hiep, Nguyen Huu Cuong, L. Averyanov, T. Maisak, АL5028.

Capparidaceae

Capparis assamica Hook.f. & Thomson

Lai Chau Province, Muong Te District, Mu Ca Commune. Old rich secondary evergreen broad-leaved forest on stratified shale at elevation of about 540 m a.s.l. around point 22º29’40’’N 102º24’15’’E. Woody vine to 5 m long. Flowers white, pleasantly fragrant. Not common.

25 April 2026, Nguyen Tuan Duong, Nguyen Chi Thanh, Nguyen Tuan Cuong, Nguyen Tien Hiep, Nguyen Huu Cuong, L. Averyanov, T. Maisak, АL5029.

Det.: Silvio Fici, 1 May 2026.

Capparidaceae

Capparis assamica Hook.f. & Thomson

Lai Chau Province, Muong Te District, Mu Ca Commune. Old rich secondary evergreen broad-leaved forest on stratified shale at elevation of about 540 m a.s.l. around point 22º29’40’’N 102º24’15’’E. Woody vine to 5 m long. Flowers white, pleasantly fragrant. Not common.

25 April 2026, Nguyen Tuan Duong, Nguyen Chi Thanh, Nguyen Tuan Cuong, Nguyen Tien Hiep, Nguyen Huu Cuong, L. Averyanov, T. Maisak, АL5029.

Det.: Silvio Fici, 1 May 2026.

Gesneriaceae

Henkelia sp.?

Lai Chau Province, Muong Te District, Mu Ca Commune. Old rich secondary evergreen broad-leaved forest on stratified shale at elevation of about 540 m a.s.l. around point 22º29’40’’N 102º24’15’’E. Terrestrial or lithophytic rosulate herb in shady place, Flowers blue. Not common.

25 April 2026, Nguyen Tuan Duong, Nguyen Chi Thanh, Nguyen Tuan Cuong, Nguyen Tien Hiep, Nguyen Huu Cuong, L. Averyanov, T. Maisak, АL5033.

Apocynaceae

Amalocalyx microlobus Pierre

Lai Chau Province, Muong Te District, Mu Ca Commune. Old rich secondary evergreen broad-leaved forest on stratified shale at elevation of about 540 m a.s.l. around point 22º29’40’’N 102º24’15’’E. Woody vine to 10 m long in rather open place. Flowers pink-purple. Not common.

25 April 2026, Nguyen Tuan Duong, Nguyen Chi Thanh, Nguyen Tuan Cuong, Nguyen Tien Hiep, Nguyen Huu Cuong, L. Averyanov, T. Maisak, АL5031.

Melastomataceae

Melastoma sp.

Lai Chau Province, Muong Te District, Mu Ca Commune. Old rich secondary evergreen broad-leaved forest on stratified shale at elevation of about 540 m a.s.l. around point 22º29’40’’N 102º24’15’’E. Shrub to 2 m tall in open place. Flowers purple. Locally common.

25 April 2026, Nguyen Tuan Duong, Nguyen Chi Thanh, Nguyen Tuan Cuong, Nguyen Tien Hiep, Nguyen Huu Cuong, L. Averyanov, T. Maisak, АL5030.

Convallariaceae

Aspidistra brachypetala var. danii Aver., V.C.Nguyen, Nuraliev & Vislovokov

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 about 1000 m a.s.l., around point 12º13’N 108º44’E. Terrestrial herb on steep slope along shady rocky stream. Occasional.

17 April 2026, L. Averyanov, Nguyen Van Canh, T. Maisak, АL4934.

Convallariaceae

Aspidistra longifolia Hook.f.?

Son La Province, Thuan Chau District, Pha Din Pass.

6 February 2026, Truong Ba Vuong, BV 1995.

Melastomataceae

Sonerila sp.

Lam Dong Province, Lac Duong District. Humid evergreen broad-leaved forest with Ducampopinus on granite along tops of ridge at elevation of about 1750 m a.s.l. around point 12º06’N 108º22’E. Terrestrial herb to 30 cm tall on mossy places along forest trail. Leaved above dark green, below purple. Locally common.

18 April 2026, L. Averyanov, Nguyen Van Canh, Truong Ba Vuong, T. Maisak, АL4954.

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 about 1000 m a.s.l., around point 12º13’N 108º44’E. Lithophytic erect herb to 15 cm tall on open mossy boulders and rocky cliffs along rocky river. Locally very common.

17 April 2026, L. Averyanov, Nguyen Van Canh, T. Maisak, АL4928.

Gesneriaceae

Didymocarpus 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 about 1000 m a.s.l., around point 12º13’N 108º44’E. Erect of pendulous lithophytic herb or undershrub to 1 m tall on shady mossy cliffs of rocky river. Flowers purple-violet. Locally common.

17 April 2026, L. Averyanov, Nguyen Van Canh, T. Maisak, АL4929.

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 about 1000 m a.s.l., around point 12º13’N 108º44’E. Lithophytic erect herb to 15 cm tall on open mossy boulders and rocky cliffs along rocky river. Locally very common.

17 April 2026, L. Averyanov, Nguyen Van Canh, T. Maisak, АL4928.

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 about 1000 m a.s.l., around point 12º13’N 108º44’E. Lithophytic erect herb to 15 cm tall on open mossy boulders and rocky cliffs along rocky river. Locally very common.

17 April 2026, L. Averyanov, Nguyen Van Canh, T. Maisak, АL4928.

Gesneriaceae

Didymocarpus 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 about 1000 m a.s.l., around point 12º13’N 108º44’E. Erect of pendulous lithophytic herb or undershrub to 1 m tall on shady mossy cliffs of rocky river. Flowers purple-violet. Locally common.

17 April 2026, L. Averyanov, Nguyen Van Canh, T. Maisak, АL4929.

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 about 1000 m a.s.l., around point 12º13’N 108º44’E. Terrestrial suberect herb to 0.4 m tall on steep shady slope. Common.

17 April 2026, L. Averyanov, Nguyen Van Canh, T. Maisak, АL4931.

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 about 1000 m a.s.l., around point 12º13’N 108º44’E. Terrestrial suberect herb to 0.4 m tall on steep shady slope. Common.

17 April 2026, L. Averyanov, Nguyen Van Canh, T. Maisak, АL4931.

Gesneriaceae

Paraboea sp.?

Phu Yen Province, Tuy Hoa City, Hoa Xuan Commune. Highly degraded secondary evergreen broad-leaved dry forest with bamboo on very steep rocky mountain slope on granite at elevation of about 400 m a.s.l., around point 12º53’N 109º24’E (Bia Mountain). Erect terrestrial herb or undershrub to 1 m tall on steep shady rocky slope at cave mouth. Calyx white, corolla blue. Rare.

14 April 2026, L. Averyanov, Nguyen Van Canh, Truong Ba Vuong, T. Maisak, АL4909.

Elaeodendraceae

Elaeodendron 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 about 1000 m a.s.l., around point 12º13’N 108º44’E. Tree 6-8 m tall on shady very steep rocky slope along trail. Occasional.

17 April 2026, L. Averyanov, Nguyen Van Canh, T. Maisak, АL4924.

Convallariaceae

Aspidistra paucitepala Vislobokov, Nuraliev & D.D.Sokoloff

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 about 1000 m a.s.l., around point 12º13’N 108º44’E. Terrestrial herb on shady very steep rocky slope. Occasional.

17 April 2026, L. Averyanov, Nguyen Van Canh, T. Maisak, АL4923.

Rubiaceae

Psychotria 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 about 1000 m a.s.l., around point 12º13’N 108º44’E. Terrestrial herb or undershrub to 1.5 m tall on shady very steep rocky slope. Fruits red. Not common.

17 April 2026, L. Averyanov, Nguyen Van Canh, T. Maisak, АL4922.

Convallariaceae

Aspidistra paucitepala

Phu Yen Province, Tuy Hoa City, Hoa Xuan Commune. Highly degraded secondary evergreen broad-leaved dry forest with bamboo on very steep rocky mountain slope on granite at elevation of about 400 m a.s.l., around point 12º53’N 109º24’E (Bia Mountain). Terrestrial herb on steep shady rocky slope. Flowers dark violet to almost black, anthers yellow. Locally very common.

14 April 2026, L. Averyanov, Nguyen Van Canh, Truong Ba Vuong, T. Maisak, АL4908.

Arecaceae

Rhapis 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. Palm to 3 m tall on shady slope along rocky river. Locally common.

13 April 2026, L. Averyanov, Nguyen Van Canh, Truong Ba Vuong, Nguyen Quoc Bao, T. Maisak, АL4904.

Convallariaceae

Peliosanthes micrantha Aver. & N.Tanaka

Phu Yen Province, Tuy Hoa City, Hoa Xuan Commune. Highly degraded secondary evergreen broad-leaved dry forest with bamboo on very steep rocky mountain slope on granite at elevation of about 400 m a.s.l., around point 12º53’N 109º24’E (Bia Mountain). Terrestrial herb on steep shady rocky slope. Flowers pale violet. Locally common.

14 April 2026, L. Averyanov, Nguyen Van Canh, Truong Ba Vuong, T. Maisak, АL4911.

Convallariaceae

Aspidistra sp.

Phu Yen Province, Tuy Hoa City, Hoa Xuan Commune. Highly degraded secondary evergreen broad-leaved dry forest with bamboo on very steep rocky mountain slope on granite at elevation of about 400 m a.s.l., around point 12º53’N 109º24’E (Bia Mountain). Terrestrial herb on steep shady rocky slope. Locally common.

14 April 2026, L. Averyanov, Nguyen Van Canh, Truong Ba Vuong, T. Maisak, АL4918 (living plant only).

Araceae

Pothos grandis Buchet ?

Phu Yen Province, Tuy Hoa City, Hoa Xuan Commune. Highly degraded secondary evergreen broad-leaved dry forest with bamboo on very steep rocky mountain slope on granite at elevation of about 400 m a.s.l., around point 12º53’N 109º24’E (Bia Mountain). Creeping epiphytic vine to 10 m long on tall trees. Occasional.

14 April 2026, L. Averyanov, Nguyen Van Canh, Truong Ba Vuong, T. Maisak, АL4915.

Convallariaceae

Peliosanthes violacea Wall.

Phu Yen Province, Tuy Hoa City, Hoa Xuan Commune. Highly degraded secondary evergreen broad-leaved dry forest with bamboo on very steep rocky mountain slope on granite at elevation of about 400 m a.s.l., around point 12º53’N 109º24’E (Bia Mountain). Terrestrial herb on steep shady rocky slope. Flowers dark violet. Locally very common.

14 April 2026, L. Averyanov, Nguyen Van Canh, Truong Ba Vuong, T. Maisak, АL4913.

Aristolochiaceae

Aristolochia sp.

Phu Yen Province, Tuy Hoa City, Hoa Xuan Commune. Highly degraded secondary evergreen broad-leaved dry forest with bamboo on very steep rocky mountain slope on granite at elevation of about 400 m a.s.l., around point 12º53’N 109º24’E (Bia Mountain). Herbaceous vine to 3-4 m long in open place. Flowers white, apical half of the tube brownish-purple. Rare.

14 April 2026, L. Averyanov, Nguyen Van Canh, Truong Ba Vuong, T. Maisak, АL4910.

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.