FLORA OF VIETNAM
Rubiaceae
Luculia yunnanensis S.Y.Hu

Cao Bang Prov., Thong Nong Distr., Yen Son Municipality, Nhieu Lung village, around point 22°46′07.9″N, 105°53′59.4″E.

Primary fractionaly logged coniferous forest with Pseudotsuga sinensis along highly eroded rocky limestone ridge at elevation 1150-1250 m a.s.l.

Shrub 203 m tall on rather open rocky slope. Flowers white with light purple tint. Very common, particularly among open secondary scrub.

8 October 2013 CPC 5476
L.Averyanov, N.T.Hiep, L.M.Tuan, N.S.Khang, T.Maisak, L.Osinovets