FLORA OF VIETNAM
Asteraceae Dien Bien Prov., Tua Chua Distr., Ta Phin Municipality, around point 22°00′21”N 103°21′39”E.

Open secondary scrub on very steep rocky humid mossy slopes of remnant hills composed with highly eroded marble-like solid crystalline limestone at elevation about 1150 m a.s.l.

Terrestrial herb to 0.5 m tall among limestone rocks along road. Flowers blue. Common weed.

CPC 1024 16 December 2010
Coll.: L.Averyanov, P.K.Loc, P.V.The, N.T.Vinh.