Platanthera leptocaulon (Hook.f.) T.Tang & F.T.Wang
in Sikkim, Kyongnosla Alpine Sanctuary, july 2003 (pictures 1 & 2) in NE.India, Darjeeling, Tonglu, july 2003 (picture 3)
Description in Acta Phytotax. Sin. i. 58 (1951)