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. Severely degraded forest with remnants of good habitat protected by sheer limestone rock faces along ridge, 23°06′57″N, 105°01′48″ at 650-750 m. Lithophytic. Sour smell, tepals white, corolla tube with longitudinal striations red-purple, labellum yellow at tip, rostellum white at tip. Rare.