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General Description

Herbs perennial. Rhizomes curved, large, 1-2 cm in diameter. Stems 2 or 3 from rhizome, erect, 8-30 cm tall, simple. Basal leaves petiolate; petiole 3-8 cm; leaf blade gray-green abaxially, green adaxially, oblong or lanceolate, 3-11 cm long, 1-3 cm wide, abaxially sometimes sparsely pubescent, adaxially glabrous, base subcordate or cuneate, margin with thickened vein tips, revolute, apex acute. Cauline leaves shortly petiolate or subsessile; leaf blade narrowly lanceolate or linear; ocrea: lower part green, upper part brown, tubular, membranous, apex oblique, dehiscent, not ciliate. Inflorescence terminal, shortly spicate, 1.5-2.5 cm, 1-1.5 cm in diameter; bracts ovate, 3-4 mm, membranous, apex acuminate, each 2-3-flowered. Pedicel 4-5 mm, slender. Perianth pinkish or white, 5-parted; tepals elliptic, 2.5-3 mm. Stamens 8, exserted; anthers black-purple. Styles 3, connate at base; stigmas capitate. Achenes included in persistent perianth, yellow-brown, shiny, ovoid, trigonous, 2.5-3 mm.

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Creative Commons Attribution Non Commercial 3.0 (CC BY-NC 3.0)

© Wen, Jun

Source: Plants of Tibet

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