Weed Science & Agronomy
INRA-Dijon
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Unité de Malherbologie & Agronomie Weed Science & Agronomy INRA-Dijon |
Bayer Code : picec
Synonym(s) of Sc. name: Helmintia echiodes (L.) Gaertner
Classification: Compositae, Dicotyledonous
Common name: bristly oxtongue
Synonym(s) of Common name:
Name per country: DE : Stacheliger Wurmlattich ; ES : raspasayas ; FR : helminthie fausse-vipérine ; IT : aspraggine volgare ; PT : raspa-saias ; EN : bristly oxtongue ; NL : dubbelkelk ;
Biological type: Annual, Biennial
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- Cotyledons lengthened, spoon-like.
- Leaves entire, ovate -deltoid, irregularly dentate.
- Height: 30-60 cm.
- Stem erect, branched, hispid, covered with short rigid hairs which are tuberculate at the base, trifid and minutely hooked at the apex.
- Leaves lower obovate, toothed margin, narrowed into a winged stalk with rigid tubercle-based hairs. Cauline leaves sessile, amplexicaul.
- Flowers yellow in numerous heads. Outer bracts, large, shorter than the inner ones, cordate, broad and not spreading.
- Fruit : achenes yellowish or reddish, 5-7 mm long, transversally wrinkled, abruptly ended into a slender beak as long as the achene. Pappus of white feathery hairs.
- Plant of which bitter leaves are sometimes eaten as vegetables. Plant vermifuge, the sweet and mucilagineous root is resolutive.
- Risk of confusion with Echium plantagineum L. (at seedling stage), Picris hieracioides L..
- Biological type: annual or biennial.
Mistake with: Picris hieracioides
Ecological profile (click on flags):
Rare
Rare
Present
Present
Present
Present
