Vientiane Prov., Vang Vieng Distr., Na Po village, about 12 km to the W of Vang Vieng town, Pa Nang Oua Mt., around point 18°55’36.4”N 102°20’44.6”E.
Dry broad-leaved secondary evergreen forest on very steep rocky slopes and on vertical cliffs of remnant highly eroded rocky limestone mountains composed by solid crystalline limestone at elevation 350-450 m.
Lithophytic creeping herb with fleshy rootless rhizome on shady mossy rocks. Flowers white, lip with 2 green spots at base. Not rare.
Record creation: 2020-11-04, Аверьянов Леонид Владимирович. Processing status: work_status_1Citation: Specimen LE 01088083 // Virtual herbarium of Komarov Botanical Institute RAS — http://re.herbariumle.ru/01088083