Leaf: shape: lanceolate, linear

Leaf: other characteristics: ligule 2-lobed

Bracts or bracteoles: margin entire or fimbriate, bracteoles tubular

Inflorescence: conical,arising from rhizomes on peduncle clothed with scalelike sheaths, breaking through leaf sheaths

Calyx: tubular, apex 3-lobed or 3-toothed, split on 1 side

Corolla: shorter or equalling calyx

Corolla lobes: ovate-oblong, central lobe erect,hooded or concave

Labellum: oblong or spatulate, entire, apex lobed or cleft or concave or emarginate

Stamens or staminodes: lateral staminode toothlike or subulate

Filament: short or absent

Anther: linear or oblong, apex emarginate

Connective: without appendage

Style: stylodes short or absent

Fruit: brittle

Seed: angled