Weed Science & Agronomy
INRA-Dijon
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Unité de Malherbologie & Agronomie Weed Science & Agronomy INRA-Dijon |
Bayer Code : avelu
Synonym(s) of Sc. name: Avena sterilis var. minor Cosson.
Classification: Gramineae, Monocotyledonous
Common name: winter wild-oat
Synonym(s) of Common name:
Name per country: DE : Wilder Rothafer ; ES : avena loca ; FR : folle avoine de Ludovic ; IT : avena selvatica ; PT : balanco-maior ; EN : winter wild-oat ;
Biological type: Annual
.
- Shoot rolled, leaf sheath cylindrical.
- Leaf blade 20-50 times longer than broad, leaves glabrous.
- Ligule membranous, dentate, auricles absent.
- Height: 30-150 cm. Plant cespitose.
- Stem erect.
- Leaf blades wide, flat, elongate and acuminate.
- Inflorescence : flowers green and reddish, in spread diffuse panicle erect or sparcely bent. Spiklets 2 cm long, 2 or 3-flo- wered.
- Fruits : caryopsis with pubescent very long awned lemma ; the caryopsis of the same spikelet do not separate.
- Risk of confusion with Avena fatua L., Avena sterilis subsp. sterilis L.
- Biological type: annual.
Mistake with: Avena fatua , Avena sterilis subsp. sterilis
Ecological profile (click on flags):
Present
Present
Present
Present
Present
