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Avena L.

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Avena L., Sp. Pl. 79 (1753)
Avena L.

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Exotic
Wild
New Zealand
Political Region

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L.
L.
1753
79
ICN
Avena L.
genus
Avena

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Avena

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Avena L.

Annuals or biennials, with solitary culms or tufted. Leaf-sheath chartaceous, striate, rounded. Ligule membranous. Auricles 0. Leaf-blade flat, rarely convolute. Panicle loose to sometimes contracted or secund with large nodding spikelets. Spikelets with 1-6 ☿ florets and 1-(2) ♂ or rudimentary florets; disarticulation below each floret, or only above glumes, or not at all in cultivated spp.; rachilla prolonged. Glumes usually equal and equalling spikelet, 3-11-nerved, rounded, lanceolate, acuminate, herbaceous to thinly chartaceous with thick scarious margins. Lemma usually coriaceous at maturity, bidentate to biaristulate and then rarely with 2 additional setae, rarely subentire; awn middorsal, stout and geniculate, column usually twisted, cultivated spp. often with reduced awns or awnless. Palea tough, ≤ lemma, 2-keeled, keels ciliate. Lodicules 2, linear-lanceolate, or unequally bilobed or with a rudimentary side-lobe. Callus hairy or glabrous. Stamens 3. Ovary hairy; styles free. Caryopsis terete, grooved; embryo relatively small to very large; hilum linear; endosperm solid.

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Avena L.
France
Avena L.
New Zealand
Canterbury Land District

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c0a9c4cd-19c4-4977-9e4e-54f965383b11
scientific name
Names_Plants
1 January 2000
21 January 2014
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