Plants rather slender, 30--40 cm tall, basally with brown, reticulate fibers formed from disintegrated sheaths. Leaves 3 or 4 in proximal part of stem; petiole 2--3 cm; leaf blade oblong-elliptic, 16--18 × 1.7--3.5 cm, glabrous, base cuneate, apex acute. Panicle 15--19 cm, laxly many flowered; lateral branches 3--5 cm, rather slender, usually with male flowers; terminal raceme longer, with bisexual flowers; rachis shortly woolly; bracts 1--2 mm, pubescent marginally and abaxially. Pedicel 1--2 mm. Tepals yellowish green, suboblong, 2--3 × ca. 1 mm, base not clawed, margin ciliate, apex obtuse. Stamens 1--1.5 mm. Ovary glabrous. Capsule pendulous, ca. 1 × 0.7 cm.

* NE and W Sichuan, Yunnan.