Ha Giang prov., Quan Ba distr., Tung Vai commune, Thung Pang village, around point 23º04ʹ38.6ʺN 104º56ʹ06.8ʺE, steep rocky slopes near hill top composed with stratified highly eroded limestone at elevation 1000–1100 m a.s.l. Remnants of primary evergreen broad-leaved very humid forest. Miniature epiphyte. Rare. 17 October 2018, L. Averyanov, Nguyen Sinh Khang, T. Maisak, Truong Duc Thieu, VR 900d.
Flowered in April 2020, herbarium prepared in 25.04.2020, flowers odorless, dorsal sepal yellow, densely speckled with purple; lateral sepals and petals yellowish, lip yellow; column and anther light yellowish. L. Averyanov
Coordinates (geographic position):23° 4′ 38.6″ N, 104° 56′ 6.8″ E ±1000 mRecord creation: 2020-06-12, Leonid Averyanov, PhotoScan D1. Processing status: work_status_1Citation: Specimen LE 01068476 // Virtual herbarium of Komarov Botanical Institute RAS — http://re.herbariumle.ru/01068476