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.