Unité de Malherbologie & Agronomie Weed Science & Agronomy INRA-Dijon |
Bayer Code : avest
Synonym(s) of Sc. name: Avena macrocarpa Moench, Avena nutans Saint-Lager
Classification: Gramineae, Monocotyledonous
Common name: animated oat
Synonym(s) of Common name:
Name per country: DE : Tauber Hafer ; ES : avena loca ; FR : folle avoine à grosses graines ; IT : avena maggiore ; PT : balanco-maior ; EN : animated oat ;
Biological type: Annual
.
- Shoot rolled, leaf sheath cylindrical.
- Leaf blade 20-50 times longer than broad, leaves more or less pubescent.
- Ligule membranous, dentate, auricles absent.
- Height: 60-150 cm. Plant cespitose.
- Stem erect.
- Lower leaves wide and pubescent ( 3-5 mm), blade margin regularly ciliate.
- Inflorescence : flowers green and reddish, in spread diffuse panicle erect or sparcely bent. Spikelets horizontal or lax, 30-40 mm long 3 or 4 flowered. Glumes very much longer than the lemma. Inflorescence more or less unilateral; no shedding of the flowers.
- 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. ludoviciana (Durieu) Nyman.
- Biological type: annual.
Mistake with: Avena fatua , Avena sterilis subsp. ludoviciana
Ecological profile (click on flags): Present Present Present Present