Weed Science & Agronomy
INRA-Dijon
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Unité de Malherbologie & Agronomie Weed Science & Agronomy INRA-Dijon |
Bayer Code : tymle
Synonym(s) of Sc. name:
Classification: Compositae, Dicotyledonous
Common name: Tyrimnus leucographus
Synonym(s) of Common name:
Name per country: DE : Bunte Distel ; FR : tyrimne à taches blanches ; IT : cardo variegato ;
Biological type: Annual
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- Cotyledons elliptic or ovate, rounded tip, sessile.
- Leaves entire, elliptic or ovate, regularly dentate, spiny with a white-blotched blade.
- Height: 30-60 cm.
- Stem simple or few-branched, lengthened branches, leafless above.
- Leaves sessile, relatively thin, green white-blotched above, white-hairy beneath, middle leaves decurrent. Blades oblong -lanceolate, sinuate -dentate or spiny pinnatifid.
- Flowers crimson in head solitary terminal on stems or on lengthened branches; corolla -tube serrate at the apex; semi-spherical involucre.
- Fruit : achene brown 4-angled, shining with a white feathery pappus.
- Rare in crops.
- Biological type: annual.
Ecological profile (click on flags):
Rare
