Field Guide to Grasses of California by James P. Smith Jr

Author:James P. Smith, Jr.
Language: eng
Format: epub
ISBN: 9780520275676
Publisher: University of California Press

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Aira

Hair Grass

Delicate, caespitose annuals. Stems to 25 cm tall. Inflorescence an open or contracted panicle. Spikelets 2-flowered, laterally compressed, bisexual, breaking apart above the glumes and between the florets. Glumes 2, ± equal, as long as or longer than the florets, 1- or 3-veined; lemmas 5-veined, a bent, hair-like awn arising from below the middle, apex with 2 slender teeth; palea relatively long. (Fig. 15)

2 • 2 • 8. Temperate regions of the Old World. Of no economic importance.

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