FLORA OF LAOS Valerianaceae Valeriana “laotica” sp.nov.?
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 herb with creeping thick rhizome on shady wet rocks along stream. Flowers white, fragrant. Common at elevation 1100 m. Rhizome have no odor.