FLORA OF VIETNAM Orchidaceae Bulbophyllum protractum Hook.f.
N. Viet Nam, Ha Giang Prov., Quang Ba Distr., Bat Dai Son mt. Primary deciduous forest on limestone with Quercus, Pseudotsuga and Podocarpus dominants along ridge and below peak. 23°08′11′'N 105°00′48′'E at elev. 1310 m. Occasional lithophyte. Flowers all dull light orange.