Thanh Hoa Prov., Thuong Xuan Distr., Van Xuan Municipality, Hang Cao village, Xuan Lien Natural Reserve.
Remnants of primary and secondary broad-leaved evergreen forest on highly eroded rocky limestone hills at elevation 100-200 m a.s.l. around point 19°50’47.2’’N 105°14’42.7’’E.
Epiphyte on mossy trees on shady, very steep, rocky slope. Flowers odorless, tepals yellowish with brown spots, lip white with purple marks. Locally common.
Record creation: 2021-02-05, Аверьянов Леонид Владимирович. Processing status: work_status_1Citation: Specimen LE 01089449 // Virtual herbarium of Komarov Botanical Institute RAS — http://re.herbariumle.ru/01089449