FLORA OF VIETNAM
Orchidaceae
Bulbophyllum papilligerum Aver., sp. nov.

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.

Epiphyte on mossy tree on hill top. Not common.

29 September 2016 CPC 8123b (living plant only: “crowded small leaf”)
Coll.: L.Averyanov, N.T.Hiep, N.S.Khang, C.Q.Ngan, T.V.Maisak, N.T.Son.

Flowered in cult. in 25 July 2018, flowers light pale yellow, apex of median sepal and petals orange, column light pale yellow, anther almost white. L. Averyanov Living plants collected without herbaria:
Vanda sp. CPC 8123a