Houphan Prov., Hem Distr., Nacoc village, Puphadeng mountain, around point 20°09'52.6''N 103°10'19.4''E. Primary and secondary broad-leaved evergreen open dry forest on very steep rocky mountain slopes composed by solid marble like highly eroded limestone at elev. 1000-1200 m a.s.l. Epiphyte on old trees on mountain top. Flowers yellowish, tepals with brownish spots, lip white. Very common.
Record creation: 2021-05-05, Аверьянов Леонид Владимирович. Processing status: work_status_1Citation: Specimen LE 01122272 // Virtual herbarium of Komarov Botanical Institute RAS — http://re.herbariumle.ru/01122272