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 and secondary evergreen broad-leaved and mixed forest on W macroslope at elevation from 500 m to the mountain top elevated to 1425 m. Lithophytic rosulate herb on shady rocks along stream. Not common at elevation 1050 m.