FLORA OF VIETNAM Orchidaceae Coelogyne huettneriana Rchb.f.
N. Viet Nam. Ha Giang Province, Quang Ba District, at Sin Suoi Ho village on east side of Sin Suoi Ho river. Degraded forest along north ridge slope. Limestone substrate and exposed rock outcrops at elev. about 1000-1100 m. 23°06′57′'N, 105°01′48′'E. On rocky ridge. Flowers appear white, labellum with red-purple streaks on lateral walls, yellow behind and yellow at lip, sweetly fragrant. Occasional.