Dak Lak Prov., Krong No Distr., Nam Ha municipality, Day Sap – Gia Long Waterfall Historical and Cultural Area about 3 km from Buon Ma Thuot City to the S, around point 12°32′17.0E 107°53′24.0″E. Secondary broad-leaved evergreen dry closed forest on rocky slopes of Serepok River valley composed by brown volcanic tuffs at elevation about 360 m a.s.l. Canopy epiphyte on small trees along stream. Locally common. 27 November 2014 CPC 7680a Living plants Coll.: L.Averyanov, N.T.Hiep, N.V.Duy, Quach Van Hoi. Flowered in cult. in May 2016. Flowers white.