Vientiane prov., Vang Vieng distr., Oa Hom village, around point 19°06'52.4''N 102°22'35.8''E.
Secondary broad-leaved evergreen and semideciduous dry forest with on very steep rocky mountain slopes composed by solid marble like highly eroded limestone at elev. 550-650 m a.s.l.
Lithophytic herb on shady exposed mossy boulders on steep rocky slope. Sepals light olive-brownish, lip white. Occasional.
Record creation: 2020-11-04, Аверьянов Леонид Владимирович. Processing status: work_status_1Citation: Specimen LE 01088093 // Virtual herbarium of Komarov Botanical Institute RAS — http://re.herbariumle.ru/01088093