阳荷 yang he

Zingiber didymoglossum K. Schumann; Z. emeiense Z. Y. Zhu; Z. hupehense Pampanini; Z. liangshanense Z. Y. Zhu.

Rhizomes white, slightly fragrant. Pseudostems 1--1.5 m. Ligule brown striped, 2-lobed, 4--7 mm, membranous; petiole 0.8--1.2 cm; leaf blade lanceolate or elliptic-lanceolate, 25--35 × 3--6 cm, abaxially glabrous or sparsely villous, base attenuate, apex caudate. Inflorescences arising from rhizomes, subovoid; peduncle 1.5--2 cm or longer, scalelike sheaths 2 or 3; bracts red, broadly ovate or elliptic, 3.5--5 cm, pubescent. Calyx ca. 5 cm, membranous. Corolla tube white, 4--6 cm; lobes white or yellowish with purplish brown stripes, oblong-lanceolate, 3--3.5 cm. Labellum pale purple, obovate, ca. 3 × 2.6 cm; lateral lobes ca. 5 mm. Filament very short; anther lanceolate, ca. 1.5 cm; connective appendage ca. 1.5 cm. Capsule ca. 3.5 cm, loculicidally dehiscent; pericarp red inside. Seeds black; aril white. Fl. Jul--Oct, fr. Sep--Dec. 2 n = 22*.

* Forest floors, streamsides; 300--1900 m. Guangdong, Guangxi, Guizhou, Hainan, Hubei, Hunan, Jiangxi, Sichuan.

Medicinal.