Weed Science & Agronomy
INRA-Dijon
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Unité de Malherbologie & Agronomie Weed Science & Agronomy INRA-Dijon |
Bayer Code : agsgi
Synonym(s) of Sc. name: Agrostis alba L., Agrostis stolonifera L.subsp.
Classification: Gramineae, Monocotyledonous
Common name: black bent
Synonym(s) of Common name:
Name per country: DE : Großes Straußgras ; ES : agrostide blanca ; FR : agrostis géant ; IT : cappellini maggiori ; PT : ; EN : black ben ; NL : Groot struisgras ; DK : stortoppet hvene
Biological type: Perennial with rhizomes
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- Plant propagates vegetatively by bulb; establishment of seedling is rare.
- Shoot rolled, cylindrical leaf sheath.
- Leaf blade 20-50 times longer than wide, glabrous.
- Ligule membranous pointed, auricles absent
Height: 20-150 cm.
- Leaves green, branches clustered on panicles effuse and spreading.
- Inflorescence: Panicle can reach 25 cm. Stem smooth not prostrate. Spikelet of 2 mm disposed in one oblong inflorescence, the clustered branches of which are unequal. Unequal glumes, upper twice the size of lower. Glume remains on the stem after shedding.
- Fruit: Caryopsis.
- Fodder plant of moderate value, but a serious weed of arable crops.
- Biological type: perennial with rhizomes
Ecological profile (click on flags):
Present
Present
Present
Present
