FLORA OF VIETNAM
Balsaminaceae
Impatiens 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. Primary dry broadleaved evergreen forest on very
steep rocky slopes of remnant karst limestone ridge at elev. about
200-300 m a.s.l. Terrestrial and lithophytic forb up to 1 m hg.
Flowers pink-violet, lateral petals dirty greenish, spur white. Very
common.

NTH 3840 24 Oct. 1999

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