Herbarium LE - Specimens

Amaranthaceae

Amaranthus viridis L.

Lai Chau Province, Muong Te District, Mu Ca Commune. Highly degraded secondary evergreen broad-leaved forest with bamboo along rocky river on stratified shale and limestone at elevation of about 500 m a.s.l. around point 22º24’42’’N 102º24’35’’E. Erect herb to 0.8 m tall on sandy soil among open wet river rocks. Very common.

25 April 2026, Nguyen Tuan Duong, Nguyen Chi Thanh, Nguyen Tuan Cuong, Nguyen Tien Hiep, Nguyen Huu Cuong, L. Averyanov, T. Maisak, АL5016 (photo only).

All photos © - L. Averyanov

Asteraceae

Crassocephalum rubens (Jacq.) S.Moore

Lai Chau Province, Muong Te District, Mu Ca Commune. Highly degraded secondary evergreen broad-leaved forest with bamboo along rocky river on stratified shale and limestone at elevation of about 500 m a.s.l. around point 22º24’42’’N 102º24’35’’E. Erect herb to 0.6 m tall on sandy soil among open wet river rocks. Flowers blue. Common.

25 April 2026, Nguyen Tuan Duong, Nguyen Chi Thanh, Nguyen Tuan Cuong, Nguyen Tien Hiep, Nguyen Huu Cuong, L. Averyanov, T. Maisak, АL5015 (photo only).

All photos © - L. Averyanov

Polygonaceae

Polygonum aviculare L. ?

Lai Chau Province, Muong Te District, Mu Ca Commune. Highly degraded secondary evergreen broad-leaved forest with bamboo along rocky river on stratified shale and limestone at elevation of about 500 m a.s.l. around point 22º24’42’’N 102º24’35’’E. Prostrate herb on sandy soil among open wet river rocks. Common.

25 April 2026, Nguyen Tuan Duong, Nguyen Chi Thanh, Nguyen Tuan Cuong, Nguyen Tien Hiep, Nguyen Huu Cuong, L. Averyanov, T. Maisak, АL5014.

All photos © - L. Averyanov

Polygonaceae

Polygonum aviculare L.

Lai Chau Province, Muong Te District, Mu Ca Commune. Highly degraded secondary evergreen broad-leaved forest with bamboo along rocky river on stratified shale and limestone at elevation of about 500 m a.s.l. around point 22º24’42’’N 102º24’35’’E. Prostrate herb on sandy soil among open wet river rocks. Common.

25 April 2026, Nguyen Tuan Duong, Nguyen Chi Thanh, Nguyen Tuan Cuong, Nguyen Tien Hiep, Nguyen Huu Cuong, L. Averyanov, T. Maisak, АL5013.

All photos © - L. Averyanov

Caryophyllaceae

Herniaria sp.

Lai Chau Province, Muong Te District, Mu Ca Commune. Highly degraded secondary evergreen broad-leaved forest with bamboo along rocky river on stratified shale and limestone at elevation of about 500 m a.s.l. around point 22º24’42’’N 102º24’35’’E. Prostrate herb on sandy soil among open wet river rocks. Common.

25 April 2026, Nguyen Tuan Duong, Nguyen Chi Thanh, Nguyen Tuan Cuong, Nguyen Tien Hiep, Nguyen Huu Cuong, L. Averyanov, T. Maisak, АL5012.

All photos © - L. Averyanov

Amaranthaceae

Alternanthera sessilis (L.) DC

Lai Chau Province, Muong Te District, Mu Ca Commune. Highly degraded secondary evergreen broad-leaved forest with bamboo along rocky river on stratified shale and limestone at elevation of about 500 m a.s.l. around point 22º24’42’’N 102º24’35’’E. Prostrate herb on sandy soil among open wet river rocks. Common.

25 April 2026, Nguyen Tuan Duong, Nguyen Chi Thanh, Nguyen Tuan Cuong, Nguyen Tien Hiep, Nguyen Huu Cuong, L. Averyanov, T. Maisak, АL5011.

All photos © - L. Averyanov

Chenopodiaceae

Suaeda sp.?

Lai Chau Province, Muong Te District, Mu Ca Commune. Highly degraded secondary evergreen broad-leaved forest with bamboo along rocky river on stratified shale and limestone at elevation of about 500 m a.s.l. around point 22º24’42’’N 102º24’35’’E. Erect herb to 0.7 m tall on sandy soil among open wet river rocks. Common.

25 April 2026, Nguyen Tuan Duong, Nguyen Chi Thanh, Nguyen Tuan Cuong, Nguyen Tien Hiep, Nguyen Huu Cuong, L. Averyanov, T. Maisak, АL5010.

All photos © - L. Averyanov

Polygonaceae

Rumex sp.

Lai Chau Province, Muong Te District, Mu Ca Commune. Highly degraded secondary evergreen broad-leaved forest with bamboo along rocky river on stratified shale and limestone at elevation of about 500 m a.s.l. around point 22º24’42’’N 102º24’35’’E. Erect herb to 0.5 m tall on sandy soil among open wet river rocks. Common.

25 April 2026, Nguyen Tuan Duong, Nguyen Chi Thanh, Nguyen Tuan Cuong, Nguyen Tien Hiep, Nguyen Huu Cuong, L. Averyanov, T. Maisak, АL5009.

All photos © - L. Averyanov

Lythraceae ?

Rotala sp. ?

Lai Chau Province, Muong Te District, Mu Ca Commune. Highly degraded secondary evergreen broad-leaved forest with bamboo along rocky river on stratified shale and limestone at elevation of about 500 m a.s.l. around point 22º24’42’’N 102º24’35’’E. Prostrate herb on sandy soil among open wet river rocks. Stem and flower buds purple. Common.

25 April 2026, Nguyen Tuan Duong, Nguyen Chi Thanh, Nguyen Tuan Cuong, Nguyen Tien Hiep, Nguyen Huu Cuong, L. Averyanov, T. Maisak, АL5008.

All photos © - L. Averyanov

Melastomataceae

Sonerila sp.

Lai Chau Province, Muong Te District, Mu Ca Commune. Highly degraded secondary evergreen broad-leaved forest with bamboo along rocky river on stratified shale and limestone at elevation of about 500 m a.s.l. around point 22º24’42’’N 102º24’35’’E. Terrestrial herb to 6 cm tall on shady mossy steep roadcut. Petals, filaments and style purple, anthers pale yellow. Not common.

25 April 2026, Nguyen Tuan Duong, Nguyen Chi Thanh, Nguyen Tuan Cuong, Nguyen Tien Hiep, Nguyen Huu Cuong, L. Averyanov, T. Maisak, АL5007.

All photos © - L. Averyanov

Elaeocarpaceae

Elaeocarpus sp.

Lai Chau Province, Muong Te District, Mu Ca Commune. Highly degraded secondary evergreen broad-leaved forest with bamboo along rocky river on stratified shale and limestone at elevation of about 500 m a.s.l. around point 22º24’42’’N 102º24’35’’E. Tree to 6-8 m tall in open place along rocky river. Sepals white, light greenish to pale pink, petals white. Common.

25 April 2026, Nguyen Tuan Duong, Nguyen Chi Thanh, Nguyen Tuan Cuong, Nguyen Tien Hiep, Nguyen Huu Cuong, L. Averyanov, T. Maisak, АL5006.

All photos © - L. Averyanov

Selaginellaceae

Selaginella sp.

Lai Chau Province, Muong Te District, Mu Ca Commune. Highly degraded secondary evergreen broad-leaved forest with bamboo along rocky river on stratified shale and limestone at elevation of about 500 m a.s.l. around point 22º24’42’’N 102º24’35’’E. Erect terrestrial herb to 40 cm tall on shady soil cliff along small rocky stream. Locally common.

25 April 2026, Nguyen Tuan Duong, Nguyen Chi Thanh, Nguyen Tuan Cuong, Nguyen Tien Hiep, Nguyen Huu Cuong, L. Averyanov, T. Maisak, АL5005.

All photos © - L. Averyanov

Polypodiaceae s.l.

Tectaria zeilanica (Houtt.) Sledge

Lai Chau Province, Muong Te District, Mu Ca Commune. Highly degraded secondary evergreen broad-leaved forest with bamboo along rocky river on stratified shale and limestone at elevation of about 500 m a.s.l. around point 22º24’42’’N 102º24’35’’E. Terrestrial fern on shady soil cliff along river. Common.

25 April 2026, Nguyen Tuan Duong, Nguyen Chi Thanh, Nguyen Tuan Cuong, Nguyen Tien Hiep, Nguyen Huu Cuong, L. Averyanov, T. Maisak, АL5004.

All photos © - L. Averyanov

Selaginellaceae

Selaginella sp.

Lai Chau Province, Muong Te District, Mu Ca Commune. Highly degraded secondary evergreen broad-leaved forest with bamboo along rocky river on stratified shale and limestone at elevation of about 500 m a.s.l. around point 22º24’42’’N 102º24’35’’E. Terrestrial pendulous herb on shady soil cliff along river. Common.

25 April 2026, Nguyen Tuan Duong, Nguyen Chi Thanh, Nguyen Tuan Cuong, Nguyen Tien Hiep, Nguyen Huu Cuong, L. Averyanov, T. Maisak, АL5003.

All photos © - L. Averyanov

Characeae

Chara sp.

Lai Chau Province, Muong Te District, Mu Ca Commune. Highly degraded secondary evergreen broad-leaved forest with bamboo along rocky river on stratified shale and limestone at elevation of about 500 m a.s.l. around point 22º24’42’’N 102º24’35’’E. Entirely immersed aquatic plant in sallow pools along the river main stream. Occasional.

25 April 2026, Nguyen Tuan Duong, Nguyen Chi Thanh, Nguyen Tuan Cuong, Nguyen Tien Hiep, Nguyen Huu Cuong, L. Averyanov, T. Maisak, АL5002.

All photos © - L. Averyanov

Karwinsky. Iter Mexicanum. 1841, 1842

Karwinsky. Iter Mexicanum. 1841, 1842

Iter Mexicanum. 1841, 1842.

19 Karwinsky.

Karwinsky. Iter Mexicanum. 1841, 1842

Karwinsky. Iter Mexicanum. 1841, 1842

Karwinsky. Iter Mexicanum. 1841, 1842

Karwinsky. Iter Mexicanum. 1841, 1842

Karwinsky. Iter Mexicanum. 1841, 1842

Karwinsky. Iter Mexicanum. 1841, 1842

Karwinsky. Iter Mexicanum. 1841, 1842

Polypodiaceae s.l. (Aspleniaceae)

Asplenium sp.

Lai Chau Province, Muong Te District, Mu Ca Commune. Highly degraded secondary evergreen broad-leaved forest with bamboo along rocky river on stratified shale and limestone at elevation of about 500 m a.s.l. around point 22º24’42’’N 102º24’35’’E. Terrestrial rhizomatous fern on wet shady soil cliff along river. Common.

25 April 2026, Nguyen Tuan Duong, Nguyen Chi Thanh, Nguyen Tuan Cuong, Nguyen Tien Hiep, Nguyen Huu Cuong, L. Averyanov, T. Maisak, АL5001.

All photos © - L. Averyanov

Zingiberaceae

Ammomum sp.?

Lai Chau Province, Muong Te District, Mu Ca Commune. Highly degraded secondary evergreen broad-leaved forest with bamboo along rocky river on stratified shale and limestone at elevation of about 500 m a.s.l. around point 22º24’42’’N 102º24’35’’E. Terrestrial erect herb to 2.5 m tall on very steep shady rocky river slope. Flowers white, median tepal with red center and yellow apex. Occasional.

25 April 2026, Nguyen Tuan Duong, Nguyen Chi Thanh, Nguyen Tuan Cuong, Nguyen Tien Hiep, Nguyen Huu Cuong, L. Averyanov, T. Maisak, АL5000.

All photos © - L. Averyanov

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.

All photos © - L. Averyanov

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.

All photos © - L. Averyanov

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.

All photos © - L. Averyanov

Polypodiaceae s.l. (Pteridaceae)

Pteris 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 fern on steep shady 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, АL4996.

All photos © - L. Averyanov

Polypodiaceae s.l.

Asplenium 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 rhizomatous fern on steep wet shady rocky stream slope near water. Common.

24 April 2026, Nguyen Tuan Duong, Nguyen Chi Thanh, Nguyen Tuan Cuong, Nguyen Tien Hiep, Nguyen Huu Cuong, L. Averyanov, T. Maisak, АL4995.

All photos © - L. Averyanov

Solanaceae

Solanum 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 herb or undershrub to 2 m tall in open place along train. Flowers white, anthers yellow. Very common.

24 April 2026, Nguyen Tuan Duong, Nguyen Chi Thanh, Nguyen Tuan Cuong, Nguyen Tien Hiep, Nguyen Huu Cuong, L. Averyanov, T. Maisak, АL4994.

All photos © - L. Averyanov

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.

All photos © - L. Averyanov

Polypodiaceae s.l.

Tectaria 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 fern with fronds to 1.2 m long on steep wet shady 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, АL4992.

All photos © - L. Averyanov

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.

All photos © - L. Averyanov

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.

All photos © - L. Averyanov

Polypodiaceae s.l.

Microlepia 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 fern in open rocky place along river. Not common.

24 April 2026, Nguyen Tuan Duong, Nguyen Chi Thanh, Nguyen Tuan Cuong, Nguyen Tien Hiep, Nguyen Huu Cuong, L. Averyanov, T. Maisak, АL4989.

All photos © - L. Averyanov

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.

All photos © - L. Averyanov

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.

All photos © - L. Averyanov

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.

All photos © - L. Averyanov

Rubiaceae

Ixora 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. Shrub to 2 m tall in shady place. Flowers white, tube and anthers pale pink. Not common.

24 April 2026, Nguyen Tuan Duong, Nguyen Chi Thanh, Nguyen Tuan Cuong, Nguyen Tien Hiep, Nguyen Huu Cuong, L. Averyanov, T. Maisak, АL4985.

All photos © - L. Averyanov

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.

All photos © - L. Averyanov

Orchidaceae

Dendrobium chrysotoxum Lindl.

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. Epiphyte on tall tree. Plant flowered under cultivation.

23 April 2026, Nguyen Tuan Duong, Nguyen Chi Thanh, Nguyen Tuan Cuong, Nguyen Tien Hiep, Nguyen Huu Cuong, L. Averyanov, T. Maisak, АL4983.

All photos © - L. Averyanov

Orchidaceae

Dendrobium transparens Lindl.?

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. Epiphyte on tall tree. Plant flowered under cultivation.

23 April 2026, Nguyen Tuan Duong, Nguyen Chi Thanh, Nguyen Tuan Cuong, Nguyen Tien Hiep, Nguyen Huu Cuong, L. Averyanov, T. Maisak, АL4982.

All photos © - L. Averyanov

Orchidaceae

Eria lasiopetala (Willd.) Ormerod

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. Epiphyte on tall tree. Plant flowered under cultivation.

23 April 2026, Nguyen Tuan Duong, Nguyen Chi Thanh, Nguyen Tuan Cuong, Nguyen Tien Hiep, Nguyen Huu Cuong, L. Averyanov, T. Maisak, АL4981.

All photos © - L. Averyanov

Convallariaceae

Ophiopogon sp.

All photos © - L. Averyanov

Convallariaceae

Peliosanthes griffithii Baker

Vietnam, plant originally collected in Vietnam on 13 November 2013, L. Averyanov, T. Maisak. Flowered in culture on 9 June 2026, L. Averyanov, AL5046, GN (garden number) 17466.

All photos © - L. Averyanov

Convallariaceae

Ophiopogon spathulifolius N.Tanaka & Aver.⁣

N. Vietnam, Ha Giang province, Bac Me district, Phieng Luong municipality, around Phieng Luong village, primary broad-leaved humid evergreen forest on very steep slopes and along rocky ridge composed with solid crystalline highly eroded limestone at elevation 1100–1150 m a.s.l. around point 22°38’07.1’’N 105°19’22.1’’E, terrestrial and lithophytic rosulate herb on very steep rocky slope near and along ridge edge, common, 13 November 2014, L. Averyanov et al., CPC7419/AL5048.

Flowered in culture on 9 June 2026, L. Averyanov, CPC7419/TM1082/14397.

All photos © L. Averyanov

Araceae

Amorphophallus krausei Engl.

Vietnam, sine loc. Flowered in culture on 9 June 2026, inflorescence with straight erect peduncle to 1.2 m tall, flowers with strong unpleasant smell L. Averyanov, AL5044.

All photos © - L. Averyanov