Orchidaceae

Dendrobium chittimae Seidenf.

Ha Giang prov., Quan Ba distr., Bat Dai Son commune, Bat Dai Son Nature Reserve, San Chu village, around point 23º08ʹ55.1ʺN 104º59ʹ45.7ʺE, 1100-1200 m a.s.l., karstic, highly eroded mountains composed of solid marble-like limestone, primary evergreen broad-leaved humid forest on very steep rocky slopes. Terrestrial and lithophytic herb on open mossy, very steep rocky slope. Flowers white, lip with yellow center and pinkish basal half. Occasional. 13 April 2018, L. Averyanov, Nguyen Sinh Khang, Chuong Quang Ngan, T. Maisak, VR 086 Photos.