Vientiane Prov., Vang Vieng Distr., Phol Xai village, about 8 km to the W of Vang Vieng town, Phar Poon Mt., around point 18°56’11.5”N 102°20’05.0”E.
Dry broad-leaved primary and 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 300-900 m.
Terrestrial and lithophytic herb to 15 cm tall with creeping rootless fleshy rhizome. Flowers white, floral tube light pale olive-green, lip with 2 green spots at base. Rare.
Record creation: 2020-11-04, Аверьянов Леонид Владимирович. Processing status: work_status_1Citation: Specimen LE 01088084 // Virtual herbarium of Komarov Botanical Institute RAS — http://re.herbariumle.ru/01088084