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Stipa Linn.

针茅属

Description from Flora of China

Perennials, forming dense tussocks, old basal sheaths persistent. Leaf blades filiform to setaceous, convolute, abaxial surface smooth or scabrid, adaxial surface prominently ribbed. Inflorescence usually a contracted panicle, enclosed in uppermost leaf sheath or shortly exserted, spikelets few. Spikelets with one floret, bisexual; glumes subequal, hyaline or membranous, much longer than floret, 3–5-veined, long acuminate; callus pungent, shortly bearded; lemma narrowly lanceolate, terete, usually leathery, (3–)5-veined, hairy, margins overlapping, apex entire; awn articulated at lemma apex and deciduous at maturity, scabrid to plumose, 1–2-geniculate, column tightly twisted, bristle straight, flexuous or curling; palea subequaling lemma, hyaline, enclosed within lemma. Lodicules 2 or 3, lanceolate. Stamens 3, anthers glabrous or shortly hairy at apex. Stigmas 2.

About 100 species: temperate and warm-temperate regions of Asia and Europe, in dry, open habitats; 23 species (three endemic) in China.


 

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Flora of China  
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