Vientiane prov., Kasi distr., between Pa Chao and Nam Ken villages, Pa Chao Mt., around point 19°19'50.6''N 102°21'20.5''E. Secondary broad-leaved evergreen dry forest on very steep rocky mountain slopes composed by solid marble like highly eroded limestone at elev. 1000-1100 m a.s.l. Creeping epiphyte on tall mossy trees on rocky steep slope. Flowers white, with many small purple marks. Not rare.
Record creation: 2020-09-03, Аверьянов Леонид Владимирович. Processing status: work_status_1Citation: Specimen LE 01087488 // Virtual herbarium of Komarov Botanical Institute RAS — http://re.herbariumle.ru/01087488