Slender terrestrial to 30 cm tall. Leaves 4?6, narrow-lanceolate, to 12 cm long, to 2 cm wide, stalked, upper ones bract-like. Flowers 2?15, to 2.5 cm wide; summer to autumn. Dorsal sepal and petals forming a hood, green. Lateral sepals twisted, green. Labellum deeply 3-lobed, side lobes broad, midlobe broadly 2- lobed at tip, spur to 5 cm long, yellow, orange or red.

S China, Philippines and SE Asia.

Source: Jeanes, J. (2005). Orchidaceae. In: Spencer, R.. Horticultural Flora of South-eastern Australia. Volume 5. Flowering plants. Monocotyledons. The identification of garden and cultivated plants. University of New South Wales Press.