Orchidaceae

Rhomboda petelottii (Gagnep.) Ormerod

Bac Kan Province, Ba Be District, Ba Be National Park. Primary and old secondary evergreen broad-leaved forest on very steep rocky slopes composed by white crystalline marble-like highly eroded limestone around point 22º27’26’’N 105º36’12’E at elev. of 600-800 m a.s.l. Terrestrial creeping herb with ascending erect stem to 25 cm tall, leaves almost black, velvety, with longitudinal white median vein. Not common.

30 October 2023, Nguyen Huu Cuong, Chu Ngoc Quan, L. Averyanov, Nguyen Van Ly, T. Maisak, AL2404.

Flowered in culture on 11 September 2024, L. Averyanov AL2404