Nghe An Prov., Ky Son Distr., Nam Can municipality, along the road to international Gate (Vietnam - Laos) Nam Can.
Open secondary forest, woodlands and open secondary scrub at elevation 750-1000 m a.s.l. around point 19°27′19.4″N 104°06′25.8″E.
Tree 10-15 m tall. Flowers light yellowish, fragrant. Particularly common at elevations 700-800 m. 29 October 2013 CPC 6406 Coll.: L.Averyanov, N.T.Hiep, N.S.Khang, L.M.Tuan