N. Vietnam, Ha Giang prov., Yen Minh distr., Lao Va Chai municipality, vicinities of Lao Va Chai village (N 23º07' E 105º08'), 35.9 km to 27º of Ha Giang city. Primary wet evergreen broadleaved closed forest on very steep slope of karst remnant limestone ridge at elev. 1500-1550 m a.s.l. Epiphyte on mossy trees. Flowers odorless, tepals yellow-green, with purple stripes, lip yellowish-green with purple stripes, column yellowish, anther cap yellow. Leaves below violet. Locally common.
No NTH 3496 09 Oct. 1999
Collectors: N.T. Hiep, N.Q. Binh, L. Averyanov, P. Cribb.
Coordinates (geographic position):23° 7′ N, 105° 8′ E ±1000 mRecord creation: 2019-07-27, Leonid Averyanov, PhotoScan D1. Processing status: work_status_1Citation: Specimen LE 01057928 // Virtual herbarium of Komarov Botanical Institute RAS — http://re.herbariumle.ru/01057928