Repent epiphytic herbs up to about 6 dm. long. Stems creeping, branched, cylindric or somewhat swollen. Leaves 15-50 cm. long and 1-4.5 cm. broad, ligulate to lanceolate-ligulate, acute, very thick, more or less flaccid, occasionally pustulate, usually pendent. Inflorescence a very short, few-flowered raceme; bracts short, ovate; pedunculate ovaries up to about 16 cm. long. Sepals 5.5-9 cm. long and 0.6-1.2 cm. broad, linear-lanceolate to linear, acute or acuminate, spreading. Petals 5-8 cm. long, similar to the sepals. Lip 6-8.5 cm. long (from the base of the column) and 3-4 cm. broad, 3-lobed, the base adnate to the col-umn; lateral lobes 2.5-4 cm. long, broadly lunate to oblong-lunate; mid-lobe 3-6 mm. long, linear.