FLORA OF VIETNAM
Aristolochiaceae
Aristolochia sp.

N. Vietnam, Thai Nguyen prov., Vo Nhai distr., Than Sa municipality,
vicinities of Kim Son village (N 21°48′ E 105°54′), 23.3 km to 18° of
Thai Nguyen city. Secondary dry evergreen broadleaved forest with
bamboo on tops of remnant karst limestone ridge at elev. 250-300 m
a.s.l. Lithophyte forb vine up to 6 m lg on open rocks. Very common.

NTH 3770 22 Oct. 1999

Collectors: N.T. Hiep, P.K. Loc, L. Averyanov.