Son La Prov., Moc Chau Distr., Chieng Son comm., about 1 km to NE from Chieng Son village, around point 20°46’02.0N 104°37’03.1E. Remnants of primary broad-leaved evergreen forest on tops of hills composed with karstic highly eroded yellow-white limestone at elevation 1100-1050 m a.s.l. Creeping epiphyte and lithophyte on hill top. Not common.
29 September 2016 CPC 8123c (living plant with no herbaria).
Flowered in 12 September 2018. Sepals and petals almost white speckled with pink; lateral sepal outside yellowish; petals purple spotted along veins; lip heavily purple spotted; column white, purple spotted at front; anther yellowish. Photos L.Averyanov.
Coordinates (geographic position):20° 46′ 2″ N, 104° 37′ 3.1″ E ±1000 mRecord creation: 2019-06-11, Leonid Averyanov, PhotoScan D1. Processing status: work_status_1Citation: Specimen LE 01055183 // Virtual herbarium of Komarov Botanical Institute RAS — http://re.herbariumle.ru/01055183