Son La Prov., Moc Chau Distr., Chieng Son comm., Pha Luong village, Pha Luong Mountains.
Primary evergreen broad-leaved and mixed forest with Pinus cernua on mountain tops and steep summit slopes composed with highly eroded red-brown sandstone at elevation 1400-1500 m a.s.l. around point 20°41’33.2N 104°37’37.0E.
Lithophytic and epiphytic creeping herb near mountain top. Sepals and petals pale yellowish, lip dark gray-violet. Common.
Record creation: 2021-01-25, Аверьянов Леонид Владимирович. Processing status: work_status_1Citation: Specimen LE 01089089 // Virtual herbarium of Komarov Botanical Institute RAS — http://re.herbariumle.ru/01089089