Epiphytic scandent orchid, stems covered in sheathes. Coriaceous leaves to 125mm x 28mm. Terminal racemes or panicles to 300mm, pink-lilac flowers with paler keels bright yellow lined purple or white, column green profusely blotched purple, triangular floral bracts 9mm x 1.2mm, sepals to 17.5mm x 9mm, petals 17mm x 12mm. Keeled capsule to 33mm x 11mm.