Vietnam , Son La Province , Son La City, Chieng Co Municipality, around point 21°18' 24'' N 103 ° 52 ' 53 '' E. Secondary evergreen dry open broad-leved forest on very steep rocky slopes and on tops of remnant mountain composed with highly eroded marble-like solid crystalline limestone at elevation 800-900 m a.s.l. Epiphyte on old tree canopy branches along rocky tops of ridge. Not common.
CPC 1139a.01 20 December 2010
Coll: L.Averyanov , P.K.Loc , P.V. The , N.T. Vinh.
Fl. under cultivation in 20 September 2016 Flowers rich yellow , lip with brown center. Garden number A-3372
Coordinates (geographic position):21° 18′ 24″ N, 103° 52′ 53″ E ±1000 mRecord creation: 2020-02-21, Leonid Averyanov, PhotoScan D1. Processing status: work_status_1Citation: Specimen LE 01059965 // Virtual herbarium of Komarov Botanical Institute RAS — http://re.herbariumle.ru/01059965