黄斑姜 huang ban jiang

Pseudostems 1--1.5 m. Ligule 2-lobed, 4--5 cm; petiole present on proximal leaves; leaf blade narrowly lanceolate or narrowly elliptic, 40--55 × 9--11 cm, abaxially white pubescent, base cuneate or broadly so, apex shortly acuminate. Inflorescences arising from rhizomes, capitate, ca. 6 × 4 cm; peduncle 2--5 cm, scalelike sheaths red; bracts pale red, ovate-orbicular or oblong, 3--3.2 × 1.7--2 cm, pubescent; bracteoles ca. 2.8 cm, white pubescent. Calyx ca. 1.6 cm, puberulent. Corolla tube yellowish, ca. 3.5 cm; central lobe lanceolate, ca. 2.2 × 1.1 cm; lateral lobes narrower. Labellum lobes gray with yellow-spotted apex, central one nearly ligulelike, ca. 2.5 × 1 cm, apex entire, lateral ones auriculate, ca. 1.5 cm × 8 mm. Anther sessile, ca. 1.3 cm; connective appendage purple, ca. 7 mm. Ovary pale green, densely brown pilose. Fl. Aug.

* Forests; ca. 600 m. S Yunnan (Xishuangbanna Dai Zu Zizhizhou).