Zingiber kawagoii Hayata

Rhizomes subcreeping, slender. Pseudostems 30--40 cm. Ligule small, membranous; petiole short; leaf blade linear-lanceolate, 15--25 × 5--6 cm, base narrowed, apex acuminate. Inflorescences 2 or 3 arising from rhizomes, oblong; bracts green, lanceolate; bracteoles 2 per flower. Calyx short. Corolla lobes purple. Labellum reddish purple, lanceolate. Capsule orange-red, oblong, 3-angled, with bracteoles adnate, pink, persistent. Seeds 3 or 4 per valve, brown, subglobose; aril saclike. Fl. Jan, fr. Sep.

* S Taiwan (including Lan Yu).