Weed Science & Agronomy
INRA-Dijon
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Unité de Malherbologie & Agronomie Weed Science & Agronomy INRA-Dijon |
Bayer Code : gasci
Synonym(s) of Sc. name: Galinsoga ciliata (Raf.) Blake.
Classification: Compositae, Dicotyledonous
Common name: shaggy-soldier
Synonym(s) of Common name:
Name per country: DE : Behaartes Franzosenkraut ; FR : galinsoga velu ; IT : galinsoga ispida ; PT : galinsoga aveludado ; EN : shaggy-soldier ; NL : harig knopkruid ;
Biological type: Annual
.
- Cotyledons cordate at the apex.
- Leaves entire, elliptic-ovate, regularly toothed.
- Height: 10-70 cm.
- Stem mostly branched near the base with spreading and dense hairs above.
- Leaves opposite, pinnately divided, 3-angled, big-toothed and hairy on both sides.
- Flowers in heads: disk-florets yellow, tubular, longer than the pappus; ray -florets white, with a short ligule and a tube hidden by the pappus. Heads 6-7 mm, solitary and terminal on glandular hairy pedicels. Involucral bracts on 2 rows, green, and usually with glandular hairs.
- Fruit : achene with an awned scale pappus as long as the 2/3 of the fruit.
- Populations exist which are resistant to triazines in Germany and Netherlands.
- Risk of confusion with Galinsoga parviflora Cav. ( which is differentiated by it's appressed and obscure hairs).
- Biological type: Annual.
Mistake with: Galinsoga parviflora
Ecological profile (click on flags):
Present
Present
Present
Present
