Phu Yen Province, Dong Xuan (Đồng Xuân) District, La Hai Town, Bon Chong (Bốn Chống) forest, 25 April 2020, Truong Ba Vuong, BV 618 (voucher herbarium specimen – VNM).
Note: Sweet fragrant flowers (not so strong), lip 3-lobed, lateral lobes erect, front margin slightly erose, mid lobe apex sub-circular, at apex emarginate; lip at base with 5 erect keels, 2 most lateral keels short, 2 lateral middle extend to apex of mid lobe but lower than at base; the middle keel only extend to base of mid lobe also turn lower than at base.
Record creation: 2020-04-30, Аверьянов Леонид Владимирович. Processing status: work_status_1Citation: Specimen LE 01073072 // Virtual herbarium of Komarov Botanical Institute RAS — http://re.herbariumle.ru/01073072