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Genus :


Family :



Terrestrial or rarely epiphytic, rhizomatous herbs. Stem erect, few to many leaved. Leaves widely spaced along stem, ovate-elliptic or lanceolate, oblique, coriaceous. Inflorescence terminal, densely many flowered spikes, secund or cylindric, glabrous or pubescent. Flowers resupinate. Sepals free, subsimilar, outer surface glabrous or pubescent; dorsal sepal concave, forming a hood over column; lateral sepals connivent with lip. Petals membranous, glabrous; lip connate with column at base, saccate. Column short, dilated; anther erect; pollinia 2, club-shaped, granular-farinaceous, 2-parted; viscidium ovate or oblong; rostellum deltoid; stigma lobes connate. Capsule erect, ovoid to ellipsoid.

Key to the species

Serial Key Reference
1a. Leaves with white or pale green venation or irregular markings on adaxial surface G. schlechtendaliana
1b. Leaves without white or pale green venation or markings on adaxial surface G. procera