FLORA OF LAOS Orchidaceae Paphiopedilum gratrixianum Rolfe
Kham Mouan Prov., Bounlapha Distr., Thong Sam village, Hinnam No Protected Area, Pu Pha Song Mt. composed by sandstone, around point 17°35′13.2”N 105°47′49.8”E.
Primary evergreen broad-leaved and mixed forest on W macroslope at elevation from 500 m to the mountain top elevated to 1425 m.
Clustering lithophyte in rocky steep SW slopes and on rocky mountain top in wind formed gnarled forest at the mountain top at elevation 1350 m. Very rare.