Weed Science & Agronomy
INRA-Dijon
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Unité de Malherbologie & Agronomie Weed Science & Agronomy INRA-Dijon |
Bayer Code : phaco
Synonym(s) of Sc. name:
Classification: Gramineae, Monocotyledonous
Common name: blue canary-grass
Synonym(s) of Common name:
Name per country: ES : alpiste rugoso ; FR : phalaride bleuâtre ; IT : scagliola cangiante ; PT : alpista-de-água ; EN : blue canary-grass ;
Biological type: Perennial
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- Leaf sheath cut near the base.
- Leaf blade flat 50-60 times longer than broad, slightly scabrous.
- Ligule obtuse, 4-8 mm long.
- Height: 30-120 cm.
- Tillers erect or ascending. Internodes the lowest thickened tuber -like.
- Leaves with a sheath usually scabrous, the upper sometimes swollen, and partially enclosing the panicle.
- Inflorescence : dense panicle often with 2 small deciduous bracts blue to red.
- Spikelets fertile: 6-9 falling from panicle when mature. Glumes veined, acuminate and awned. Wings of glume entire or dentate with a terminal and very marked tooth.
- Fruit : caryopsis.
- Risk of confusion with Phalaris paradoxa L.
- Biological type: perennial.
Mistake with: Phalaris paradoxa
Ecological profile (click on flags):
Rare
Rare
Present
