Epiphytic or lithophytic herb with pendent or scrambling stems. 2-lobed leaves to 30mm x 10mm. Axillary 4-flowered inflorescence to 45mm long with green flowers, sepals to 7mm x 4mm, petals to 7mm x 4mm with lip 11mm long, 3-lobed at middle, lobes to 3.5mm x 3mm with mid-lobe 5mm x 4mm, spur 25mm long inflated in upper third.