Houphan Prov., Xon Distr., Nong Hua Pa Noi village, around point 20°13'02.1''N 103°24'23.3''E. Primary and secondary broad-leaved evergreen forest on very steep rocky mountain slopes composed by shaly limestone at elev. 1100-1200 m a.s.l. Creeping epiphyte on tall trees. Flowers yellowish heavy marked with brown-purple. lateral sepals almost entirely purple-brown. Not common.
Record creation: 2020-07-01, Аверьянов Леонид Владимирович. Processing status: work_status_1Citation: Specimen LE 01087023 // Virtual herbarium of Komarov Botanical Institute RAS — http://re.herbariumle.ru/01087023