Pyrgophyllum (Gagnepain)T.L.Wu & Z.Y.Chen
Leaf: shape: oblong-lanceolate
Leaf: other characteristics: ligule 2-lobed
Petiole: present
Bracts or bracteoles: bracts 1-3, concave
Inflorescence: terminal, arising from pseudostems
Calyx: tubular, apex 2-lobed or 2-toothed, split on 1 side
Corolla: longer than calyx
Corolla lobes: central lobe longer and wider than lateral lobes
Labellum: apex lobed or cleft or concave or emarginate
Filament: short or absent
Anther: basifixed
Connective: appendage entire
Ovary: 3-loculed
Style: stylodes 2, filiform or linear
Fruit: globose
Seed: ovoid