FLORA OF VIETNAM
Polygalaceae
Polygala tonkinensis

N. Vietnam, Hoa Binh prov., Da Bac distr., Cao Son municipality, Nui
Hen (Ba Tri) mountain system (20°54′09′'N, 105°12′15′'E). Remnants of
primary forest among secondary wet broad-leaved evergreen forest with
bamboo on very steep mountain slopes based on shale and sandstones
with quartzite at 900-1100 m a.s.l. Shrub 1.5-2 m hg in open place
along top of ridge. Occasional.

HAL 604 4 April 2001

Collectors: N.T.Hiep, L.Averyanov, N.T.Vinh, D.T.Doan.