FLORA OF VIETNAM Fam. Urticaceae Pilea sp. N. Vietnam, Lao Cai Prov., Van Ban Distr., to the west of Nam Xay village (2l°58'42"N, 104°00'37"E). Primary evergreen wet broad-leaved montane forest (on granite and quartzite) with bamboo on lower part of slope along small rocky stream-at elev. 1650 m a.s.l. Lithophytic herb on wet mossy rocks. Very common. Usual co-dominant of riparian herb community. No HAL 2094 06 March 2002 Collectors: L.Averyanov, P.K.Loc, D.T.Doan (FF1 Project).