FLORA OF VIETNAM
Gesneriaceae
Herita sp.?

N.Vietnam, Bac Kan Prov., Cho Don Distr., Ban Thi Municipality,
village Phia Khao, around point 22°16′10′'N, 105°31′01′'E at elevation
700-850 m a.s.l. (Tang Gia mountain).

Primary broad-leaved evergreen closed forest on very steep slopes and
cliffs near and on tops of rocky ridge composed with solid marble-like
stratified limestone.

Lithophyte on wet travertine deposits on vertical shady cliffs.
Flowers blue. Rare.

HAL 4783 22 May 2004

Collectors: L.Averyanov, N.T.Hiep, P.V.The, N.T.Vinh.