Weed Science & Agronomy
INRA-Dijon
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Unité de Malherbologie & Agronomie Weed Science & Agronomy INRA-Dijon |
Bayer Code : cvpca
Synonym(s) of Sc. name: Crepis virens L.
Classification: Compositae, Dicotyledonous
Common name: smooth hawk's-beard
Synonym(s) of Common name:
Name per country: DE : Grüner Pippau ; ES : ; FR : crépis à tige capillaire ; IT : radicchiella capillare ; PT : almeirôa ; EN : smooth hawk's-beard ; NL : klein streepzaad ; DK : gron hogerskæg
Biological type: Annual, Biennial
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- Cotyledons : elongate, spoonlike.
- Leaves entire, deeply notched.
- Height: 10-80cm.
- Stems branched like an umbel or like a spike in the upper part, glabrous or short-hairy.
- Basal leaves green, glabrous, pubescent on nerves. Leaves oblong, dentate, pinnatifid.
- Flowers bright-yellow and reddish beneath ( for the central and outer) in head, yellow stigma. Involucre pubescent. Pedicels with smooth hairs more or less glandular. Involucral bracts on 2 rows, outer ones shorter and more or less glandular.
- Fruits : achenes with a white silky pappus as long as the involucre. Seeds beakless, 2 mm long, 10-ribbed, light-brown.
- Risk of confusion at seedling stage with Cichorium intybus and the other species of Crepis .
- Biological type: Annual or biennial.
Mistake with: Cichorium intybus , Crepis
Ecological profile (click on flags):
Present
Rare
Present
Present
Rare
Present
