勐海姜 meng hai jiang

Pseudostems 1.3--1.8 m, base purplish red. Ligule 2-lobed, ca. 6 mm, margin membranous, white; petiole ca. 3 mm, pubescent; leaf blade narrowly lanceolate, ca. 25 × 3.5--4 cm, glabrous, base cuneate, margin membranous, white, apex caudate. Inflorescences arising from rhizomes, narrowly ellipsoid or oblong, 9--12 × 3--4 cm; peduncle erect, purplish red, 15--20 cm, white pubescent; bracts red when old, purplish red at margin, ovate or broadly so, 3.5--4 × 3--3.5 cm, white pubescent; bracteoles ca. 3 cm, glabrous. Calyx white, ca. 1.5 cm, base white pubescent. Corolla tube white, yellow at apex, ca. 3.5 cm; lobes orange, central one narrowly elliptic, ca. 2 × 1 cm, lateral ones ca. 5 mm wide. Labellum slightly villous; central lobe white, orange at base, narrowly obovate, ca. 2.2 × 1.2 cm, apex 2-cleft; lateral lobes white, red at basal margin, ca. 1.2 cm × 4 mm, apex 2-cleft. Filament ca. 2 mm; anther yellowish, ca. 1 cm; connective appendage orange, ca. 5 mm.

* Forests; ca. 1200 m. S Yunnan (Xishuangbanna Dai Zu Zizhizhou).