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.