苞叶姜属 bao ye jiang shu

Kaempferia subgen. Pyrgophyllum Gagnepain, Bull. Soc. Bot. France 48: lxxvii. 1902.

Rhizomes globose; roots thick. Pseudostems erect. Ligule 2-cleft, membranous; petiole channeled; leaf blade ovate or oblong-lanceolate. Inflorescences terminal on pseudostems; bracts 1--3, large, concave, margin basally adnate to main rachis of inflorescence, apex with leaflike extension. Flowers sessile, yellow, soon withering. Calyx tubular, deeply split on 1 side, apex 2-toothed. Corolla tube longer than calyx; central lobe wider than lateral ones. Lateral staminodes sublinear, equaling corolla lobes. Labellum 2-lobed at apex; lobes ovate. Filament short; anther basifixed; connective appendage conspicuous, deltoid, entire. Ovary obovoid, 3-loculed. Stylodes 2, linear. Capsule subglobose. Seeds ovoid.

* One species: China.

Lower Taxon

• Pyrgophyllum yunnanense (Gagnepain) T. L. Wu & Z. Y. Chen