Son La Province, Thuan Chau Commune, Pha Din Pass, 30 July 2020, Truong Ba Vuong, BV 784 (voucher herbarium specimen – VNM).
Note the column apical part of this specimen entire (vs dentate), 2 keels from base of labellum fused into one and raised up high at base of mid lobe. One short small inconspicuous median keel at base (vs bi-lobed keel).
Record creation: 2020-09-03, Аверьянов Леонид Владимирович. Processing status: work_status_1Citation: Specimen LE 01087484 // Virtual herbarium of Komarov Botanical Institute RAS — http://re.herbariumle.ru/01087484