G.173. Avena - Oats
Description of the genus
Annuals. Inflorescence an open nodding panicle. Spikelets large (10 - 40 mm), 2-several-flowered, laterally flattened or terete, disarticulating below each floret or only above the glumes. Lower 1-3 florets bisexual; upper male, sterile or reduced. Glumes herbaceous to membranous, persistent, dorsally rounded; apex acute or acuminate. Lemmas usually shorter than the glumes, 5-9-nerved, awned; apex acute to acuminate, 2-dentate; awn dorsal.
Worldwide: c. 25 species, mainly Mediterranean and Middle East, extending to northern Europe and a widespread weed in other temperate countries.
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Other sources of information about Avena:Flora of Zimbabwe
: cultivated Avena pageePIC
(electronic Plant Information Center): AvenaFlora Zambesiaca
web site: AvenaGoogle
(Germplasm Resources Information Network) taxonomy for plants report for AvenaIPNI
(International Plant Names Index): AvenaKew Herbarium catalogue
: AvenaKew Monocotyledon checklist
Copyright: Mark Hyde, Bart Wursten and Petra Ballings, 2002-13
Hyde, M.A., Wursten, B.T. & Ballings, P.
. Flora of Zimbabwe: Genus page: Avena.
http://www.zimbabweflora.co.zw/speciesdata/genus.php?genus_id=129, retrieved 22 May 2013