Peliosanthes griffithii Baker var. comosa Aver. et N.Tanaka
Cao Bang Prov., Nguyen Binh Distr., Ca Thanh Municipality, Cao Lu village, around point 22°42′47.7″N, 105°51′50.8″E. Primary coniferous forest with Pseudotsuga sinensis along highly eroded rocky limestone ridge at elevation about 1300 m a.s.l. Terrestrial and lithophyte rosulate herb. Occasional. 4 October 2013 CPC 5402b / TM 1065 L.Averyanov, N.T.Hiep, L.M.Tuan, N.S.Khang, T.Maisak, L.Osinovets Flowered in cultivation in 2 November 2015. Flowers dark violet. Photos. L.Averyanov