Northern Vietnam, Ha Tinh Prov., Huong Son Distr., Son Kim Municipality, in the vicinity of Rao An village, around point 18ø24'30''N, 105ø13'13''E. Remnants of primary evergreen lowland seasonal broad-leaved forest on very steep granite/shale slopes of rocky river canyon at 180-200 m a.s.l. Terrestrial herb 20-30 cm hg.
Flowers with strong sweet fragrance, white, lip with yellowish-green center. Locally common.
Record creation: 2021-05-06, Аверьянов Леонид Владимирович. Processing status: work_status_1Citation: Specimen LE 01122312 // Virtual herbarium of Komarov Botanical Institute RAS — http://re.herbariumle.ru/01122312