Vientiane Prov., Kasi Distr., Thong Mout village, around point 19°26’51.5”N 102°07’45.8”E.
Primary broad-leaved evergreen forest on very steep rocky slopes and on vertical cliffs of remnant highly eroded rocky limestone mountains composed by solid crystalline stratified limestone at elevation 1550-1650 m.
Regularly leafless epiphyte on mossy tree on rocky slope. Flowers fragrant with very pleasant odor. Tepals light violet, lip dark purple-violet. Locally very common, particularly near mountain top.
Record creation: 2020-08-26, Аверьянов Леонид Владимирович. Processing status: work_status_1Citation: Specimen LE 01087428 // Virtual herbarium of Komarov Botanical Institute RAS — http://re.herbariumle.ru/01087428