Ha Giang Prov., Quan Ba Distr., Tung Vai Commune, Thang Village, around point 23.05349ºN 104.86446ºE, steep rocky slopes of river valley composed with eroded limestone mixed with sandstone at elevation 1000–1100 m a.s.l. Remnants of primary evergreen broad-leaved very humid forest along river. Epiphyte on mossy tree under river. Occasional. 7 October 2019, L. Averyanov, Nguyen Sinh Khang, T. Maisak, VR 1410.4 (HN, LE).
Herbarium prepared in 25 April 2020. Sepals yellow, densely speckled with purple brown, petals yellowish, lip bright yellow. L. Averyanov, VR 1410.4.
Coordinates (geographic position):23° 3′ 12.56″ N, 104° 51′ 52.06″ E ±1000 mRecord creation: 2020-06-12, Leonid Averyanov, PhotoScan D1. Processing status: work_status_1Citation: Specimen LE 01068477 // Virtual herbarium of Komarov Botanical Institute RAS — http://re.herbariumle.ru/01068477