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Arundo Linn.

芦竹属

Description from Flora of China

Perennials, usually tall reeds, rhizomatous. Culms usually robust, rarely rather slender, hollow. Leaf blades cauline, broadly linear, tough, flat, base rounded or cordate; ligule membranous with minutely ciliolate margin. Inflorescence a large, copiously branched, plumose panicle of numerous spikelets. Spikelets wedge-shaped, laterally compressed, florets 2–5, disarticulating above glumes and between florets; rachilla internodes glabrous; glumes subequal, narrow, as long as spikelet, membranous, 3–5-veined; floret callus laterally pilose; lemmas narrow, membranous, rounded on back, 3–7-veined, plumose below middle with spreading silky-white hairs, tapering to an entire or bidentate apex tipped by a straight awnlet; palea 1/2–2/3 length of lemma body, keels glabrous or shortly ciliate. x = 12.

Three species: Mediterranean region to China; two species in China.


 

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