Medium sized epiphyte or epilith. Pseudobulbs ovoid, to 2.5 cm long. Leaves several, linear, to 55 cm long, to 2 cm wide. Flowers many, to 4 cm wide; spring to summer. Sepals and petals oblong, similar, narrower and incurved, rusty-brown or green. Labellum minutely warty, white with maroon blotches. Syn. C. pumilum Rolfe.
China and Taiwan.
C. devonianum Lindl. & Paxton from India and Thailand is a medium sized epiphyte or epilith with pendent many flowered racemes of smallish flowers (to 3.5 cm wide) that are variable in colour but mostly olive-green with brown markings and with a purplish labellum.
C. lancifolium Hook. from India to Japan and Malaysia to New Guinea is a robust terrestrial with erect few flowered racemes of medium sized flowers (to 5 cm wide) that are mostly white to olive-green in colour with a white, purple-striped labellum.
Source: (2005). Orchidaceae. In: . Horticultural Flora of South-eastern Australia. Volume 5. Flowering plants. Monocotyledons. The identification of garden and cultivated plants. University of New South Wales Press.