FLORA OF VIETNAM Saxifragaceae Penthorum chinense Pursh.
N. Vietnam, prov. Son La, distr. Moc Chau, municipality Chieng Hac, vicinities of Co Liu village (N 20°51′ E 104°38′). Forb 10-30 cm hg among open wet rocks along Xap river at about 500 m elev. Flowers white. Not common.
NTH 2905 28 May 1999
International Botanical Expedition of the U.S.A. National Geographic Society (grant No 6300-98)