FLORA OF VIETNAM Orchidaceae Stereochilus erinaceus (Rchb.f.) Garay
Hoa Binh Prov., Lac Son Distr., Tu Do Municipality, Mon village, around point 20°25′29”N 105°19′36”E.
Primary broad-leaved forest on steep rocky slopes of remnant mountain composed with solid crystalline highly eroded limestone at elevation about 500-700 m a.s.l.
Canopy epiphyte on tall tree on rocky slope. Very rare.
Fl. under cultivation at November 2011 and 2012. Flowers odorless, tepals white, lip white with pink-purple apex and yellow side lobes, spur white, pedicel, ovary and rachis purple-brown, densely papillose. L.Averyanov. Photos.