Orchidaceae

Dendrobium densiflorum Lindl.

Border area between Phieng Luong municipality (Ha Giang Prov., Bac Me Distr.) and Sinh Long municipalitiy (Tuen Quang Prov., Na Hang Distr.). Primary broad-leaved humid evergreen and mixed forest on very steep slopes and along rocky ridge composed with solid crystalline highly eroded limestone at elevation 1100-1170 m a.s.l. around point 22°38’24.3’’N 105°20’21.3’’E. Epiphyte on old mossy tree. Not common. 14 November 2014 CPC 7431a / TM 1130.1 Coll.: L.Averyanov, N.T.Hiep, N.S.Khang, T.Maisak, L.Osinovetz

Herbarium prepared in 16 July 2019, L. Averyanov, CPC 7431a TM 1130/1. Sepals and petals light yellow, lip rich yellow. Column light yellow, anther almost white with light yellow tint. Photos.