Orchidaceae

Paphiopedilum hirsutissimum (Lindl. ex Hook.) Stein var. esquirolei (Schltr.) P.J.Cribb

Ha Giang prov., Quan Ba distr., Bat Dai Son Nature Reserve, Can Ty commune, Dau Cau 1 village, around point N 23.08650º E105.02312º, elevation of 750-900 m a.s.l., karstic, highly eroded mountains composed of solid marble-like limestone, primary evergreen broad-leaved humid forest on steep rocky slopes near mountain tops. Lithophytic herb, 12 March 2019, Nguyen Sinh Khang et al., NSK 1207c.