FLORA OF VIETNAM Orchidaceae Epigeneium labuanum (Lindl.) Summerh.
Hoa Binh Prov., Lac Son Distr., Ngoc Son municipality, Khu village, Bua Coi Mt., around point 20°27′10”N 105°18′52”E. In heavily logged closed primary evergreen broad-leaved forest on top ridges of limestone mts., at elevation about 700-790 m a.s.l. Epiphyte or lithophyte, rich in humus, wet. Rather common.