FLORA OF VIETNAM Fam. Urticaceae Elatostema sp. N. Vietnam, Thai Nguyen prov., Vo Nhai diatr., Than Sa municipality, vicinities of Kim Son village (N 21°48 ' E 105 °54 '), 23.3 km to I8 °, of Thai Nguyen city. Forb with pendant shoots up to 1.5 m lg. Codominant of the lithophytic forb communities on shady limestone cliffs along stream at 40-80 m a.s.l. No NTH 3780 23 Oct. 1999 Collectors: N.T. Hiep, P.K. Loc, L. Averyanov.