Weed Science & Agronomy
INRA-Dijon
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Unité de Malherbologie & Agronomie Weed Science & Agronomy INRA-Dijon |
Bayer Code : eribo
Synonym(s) of Sc. name: Conyza ambigua DC., Conyza crispa (Pourret) Rupr. Erigeron bonariensis L., Erigeron crispus Pourret. Erigeron linifolius Willd.
Classification: Compositae, Dicotyledonous
Common name: argentine fleabane
Synonym(s) of Common name:
Name per country: DE : Südamerikanisches Berufskraut ; ES : jopo de zorra ; FR : érigéron crépu ; IT : saeppola di Buenos Aires ; PT : avoadinha-peluda ; EN : argentine fleabane ;
Biological type: Annual
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- Cotyledons elliptical or ovate -elliptical, obtuse or rounded at tip, attenuate at base and glabrous.
- Leaves elliptical, apiculate or mucronate at tip narrowed at the base, pubescent and univeined.
- Height : 20-60 cm.
- Stem erect with accumbent hairs, short and slack, and with bristly hairs, patulous and dispersed, erect.
- Basal leaves in rosette, oblong lanceolate or spatulate dentate, the others alternate, linear or linear-oblong, entire and sessile.
- Flowers ligulate whitish in capitulum in the form of terminal panicle,frequently overtopped by the lateral panicles.
- Fruits : seeds approx. 1.5 mm, pappus 4-5mm.
- Biological type: annual.
Mistake with: Conyza albida , Conyza canadensis
Ecological profile (click on flags):
Present
Present
Present
