Vietnam., Lam Dong prov., Lac Duong distr., Lat municipality, Pang Tien village, around point 11°38?35??N 108?18?44??E. Remnants of primary evergreen, humid montane forest along rocky mountain stream at elev. about 1250 m a.s.l. Lithophyte on mossy granite cliff, also as epiphyte on old trees.
1 May 2015 AL 54
Coll.: L.Averyanov, T.Maisak, Nguyen Phi Tam, Nong Van Duy.
Fl. in 15 Feb 2017. Flowers light greenish-yellow, lip with dark brown keels and irregular marks in center. L.Averyanov
Coordinates (geographic position):11° 38′ 35″ N, 108° 18′ 44″ E ±1000 mComment: