FLORA OF VIETNAM Orchidaceae Ceratostylis himalaica Hook.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 tree trunks. Stem bracts brown-red, scaly. Outer tepals pale yellow orange, steaked in red-purple, labellum dull-yellow, rostellum white. Occasional.