FLORA OF VIETNAM
Gesneriaceae

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. Primary broadleaved evergreen dry forest on very
steep rocky slopes of karst remnant limestone ridge at elev. 300-450 m
a.s.l. Lithophytic adpressed forb on shady sliffs. Flowers deep
violet. Common. Usual codominanthe of lithophytic forb communities at
300-550 m.

NTH 3795 23 Oct. 1999

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