FLORA OF VIETNAM
Orchidaceae
Cyrtosia faberi (Rolfe) Aver.

Ha Giang prov., Quan Ba distr., Tung Vai commune, Thang village, around point 23°03ʹ41.5ʺN 104°50ʹ41.6ʺE, steep rocky slopes near mountain top composed with eroded stratified highly eroded limestone at elevation 1200-1400 m a.s.l. Primary evergreen broad-leaved very humid forest. Achlorophyllous herb with erect dull reddish-pink stem to 3 m tall in open flattened place. Flowers yellow, lop on sides with red spots. Occasional. April – May 2017, Nguyen Sinh Khang, VR 688a (HN, LE01061313).