FLORA OF VIETNAM Orchidaceae Bulbophyllum atropurpureum ?
Hoa Binh Prov., Tan Lac Distr., Ngo Luong Municipality, Bo village., coordinate ca. 20°29′18”N 105°15′43”E.
In heavily logged evergreen broad-leaved woodland on ridges of limestone mts., at elevation about 800-850 m a.s.l. Lithophyte and epiphyte. Rather common.