After Cadet de Gassicourt, a French chemist.
Epiphytic or rarely epilithic herbs, sympodial, with short creeping rhizomes. Stems thickened into slender pseudobulbs, tufted or spaced. Leaves apical, solitary, thin to leathery, bilobed at tip, stalkless. Inflorescences apical. Flowers resupinate, solitary or several in succession, small, stalked, usually white, sometimes yellowish. Sepals similar, dorsal free, laterals partially fused to column foot. Petals narrower than sepals, free. Labellum 3-lobed, tip curved under, side lobes erect, base joined to column foot. Column short, toothed at tip. Pollinia 4, in 2 groups of 2.
About 55 species from India, SE Asia, New Guinea and Australia.
Pseudobulbs slender with a single apical leaf; flowers usually white, produced singly at base of leaf.
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.
