FLORA OF VIETNAM Orchidaceae Anoectochilus roxburghii (Wall.) Lindl.
Son La Prov., Moc Chau Distr., Chieng Son comm., Hin Pen village, around point 20°42′36.7N 104°35′11.0E.
Primary and secondary evergreen broad-leaved forest on very steep slopes and cliffs of highly eroded red-brown sandstone at elevation about 1200 m a.s.l. Creeping terrestrial herb in shady place. Leaves velvety dark brown with pink nerves. Not common.