FLORA OF VIETNAM
Polygalaceae
Polygala sp.

Son La Prov., Moc Chau Distr., Chieng Son comm., about 1 km to NE from Chieng Son village, around point 20°46′02.0N 104°37′03.1E.

Remnants of primary broad-leaved evergreen forest on tops of hills composed with karstic highly eroded yellow-white limestone at elevation 1100-1050 m a.s.l.

Terrestrial herb to 40 cm high. In open grassy place. Flowers purple-violet. Occasional.

29 September 2016 CPC 8110
Coll.: L.Averyanov, N.T.Hiep, N.S.Khang, C.Q.Ngan, T.V.Maisak, N.T.Son.