FLORA OF VIETNAM Rubiaceae Ophiorrhiza sp. s.l. Ha Giang prov., Quan Ba distr., Bat Dai Son Nature Reserve, Thanh Van commune, Mo Sai village, around point 23º07ʹ46.4ʺN 104º57ʹ56.2ʺE, at elevation 1000-1190 m a.s.l., karstic, highly eroded mountains composed of solid marble-like limestone, primary evergreen broad-leaved and mixed (with Pseudotsuga sinensis) humid forest on steep rocky slopes near mountain tops. Terrestrial herb to 0.5 m tall on shady rocky mountain slope. Flowers whitish. Common. 18 April 2018, L. Averyanov, Nguyen Sinh Khang, Chuong Quang Ngan, T. Maisak, VR 382.
Coordinates (geographic position):23° 7′ 46.4″ N, 104° 57′ 56.2″ E ±1000 mComment:
Record creation: 2019-07-30, Аверьянов Леонид ВладимировичCitation: Specimen LE 01061500 // Virtual herbarium of Komarov Botanical Institute RAS — http://re.herbariumle.ru/01061500