HYPP-A Unité de Malherbologie & Agronomie
Weed Science & Agronomy
INRA-Dijon

Bayer Code : chyse

Scientific name: Chrysanthemum segetum L.

Synonym(s) of Sc. name:

Classification: Compositae, Dicotyledonous

Common name: corn marigold

Synonym(s) of Common name:

Name per country: DE : Saat-Wucherblume ; ES : ojos de los sembrados ; FR : chrysanthème des moissons ; IT : crisantemo campestre ; PT : pampilho-das-searas ; EN : corn marigold ; NL : gele ganzebloem, NL : goudsbloem ; DK : gul okseoje

Biological type: Annual

Seed snapshot Seed:

.

Seedling snapshot Seedling:

- Cotyledons elliptic or ovate, with a truncate top, more or less stalked.

- Leaves entire, deeply indentate.

Adult plant snapshot Adult plant:

- Height: 20-60 cm. Plant glabrous and glaucous. Somewhat fleshy, waxed, blue-green.

- Stem erect, simple and branched.

- Leaves: the lower in rosette, lanceolate, pinnatifid (3 to 5 deep lobes ). The upper opposite, deeply dissected in numerous dentate and apiculate lobes. Cauline leaves dentate, sessile and amplexicaule.

- Flowers yellow, in broad solitary heads, on thick-tipped pecduncles. Involucre with oblong bracts.

- Fruits : achenes of disk-florets cylindrical and with 10 strong ribs, achenes of ray -florets as long as broad and with 2 lateral wings.

- Species protected in Limousin ( 01/09/89 decree).[France]

- Biological type: annual.

Ecological profile (click on flags): BeneLux   Present     Germany  Rare     Denmark  Present     Spain  Present     France  Rare     Great Britain  Present     Italy  Present     Portugal  Present    

Return INRA  Return INRA-Dijon  Return Weed Science & Agronomy Unit  Return HYPP-A

Copyright © 2000-2001 INRA, all rights reserved ; J.-P. Lonchamp, Nov. 2000
http://www.dijon.inra.fr/bga/hyppa/hyppa-a/chyse_ah.htm ,