FLORA OF VIETNAM Orchidaceae Dendrobium chittimae Seidenf.
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. Along ridge. Stems red-brown, outer tepals pure white, nectar spur dull brown-green, labellum yellow, pink on walls outside, practically leafless. Rare.