澜沧舞花姜 lan cang wu hua jiang

Plants glandular throughout. Pseudostems 20--60 cm. Ligule ciliate; petiole absent to 2 mm; leaf blade oblong-lanceolate, rarely elliptic or oblong, 1.3--11.5(--13.5) × 0.7--2.7(--4) cm, pubescent on both surfaces, base rounded or cuneate, apex acuminate. Thyrses 7.5--20 cm, laxly flowered; bracts ovate, 1.5--2.2 mm; bulblets absent. Flowers yellow. Calyx 3--5 mm, ciliate. Corolla tube 1.2--1.6 cm; lobes boat-shaped, 4--6 mm, glabrous or sparsely ciliate. Lateral staminodes oblong, 1--1.3 cm × 5--7 mm, ciliate. Labellum obovate-oblong, 7--8 mm, apex 2-lobed; lobes 3--4 × ca. 1 mm. Filament curved, 1.2--1.5 cm; anther ca. 2 mm, with 2 winglike appendages on each side. Capsule ellipsoid, 7--10 × 5--7 mm. Seeds obovoid, 2--3 mm, many angled. Fl. Jul--Oct, fr. Sep--Nov.

* Forests; 100--1200 m. SW Yunnan (Lancang Lahu Zu Zizhixian).