Plants 70--150 cm tall, basally with dense, non-reticulate fibers formed from disintegrated sheaths. Leaves cauline, sessile, basally clasping; leaf blade elliptic or ovate-elliptic, 13--23 × 5--11 cm, abaxially densely silvery pubescent, apex acuminate. Panicle ± fusiform, 20--60 cm, many flowered; lateral branches subequaling terminal raceme, basal one usually with branchlets; rachis densely white pubescent-woolly; bracts ovate-lanceolate, pubescent marginally and abaxially. Pedicel ca. 2 mm. Tepals yellowish green, with white margin, elliptic or ovate-elliptic, 0.8--1.2 cm × 3--4 mm, abaxially pubescent, base clawed, margin erose. Stamens 4--6 mm. Ovary ovoid, densely pubescent. Fl. Jun--Aug.
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