Grammatophyllum Blume, Bijdr. (1825) 377
- Genus Gabertia Gaudich. in Freyc., Voy. Uranie
- Genus Pattonia Wight, Icon. Pl. Ind. Or. 5 (1851) t. 1750
Often very large sympodial epiphytes with very short rhizomes. Pseudobulbs large, consisting of more than one internode, few- to many-leaved. Leaves sheathing, glabrous, deciduous, duplicate, leathery. Inflorescence arising from the base of the plant, a many-flowered raceme. Flowers large, resupinate, usually greenish or yellowish with brown to purple spots. Sepals free. Petals similar to or fairly different from the sepals. Lip without spur, not mobile. Column-foot absent. Pollinia 2, solid, cleft, caudicles absent, stipe present, U-shaped, viscidium present.