Rhizome: branched

Leaf: Position: Basal

Leaf: shape: oblong, lanceolate, linear

Bracts or bracteoles: bracts each subtending a flower or a cincinnus of 2 to many flowers

Inflorescence: spike, terminal

Calyx: tubular, apex 2-lobed or 2-toothed, apex 3-lobed or 3-toothed, split on 1 side

Corolla: funnelform

Corolla lobes: ovate-oblong, central lobe longer and wider than lateral lobes, apex mucronate or obtuse

Labellum: lateral lobes overlaping with lateral staminodes

Stamens or staminodes: petaloid

Filament: short or absent

Anther: versatile, base with spur

Connective: without appendage

Ovary: 3-loculed

Fruit: 3-valved, dehiscent