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

Bayer Code : knain

Scientific name: Knautia integrifolia (L.) Bertoloni

Synonym(s) of Sc. name: Knautia hybrida (All.) Coulter.

Classification: Dipsacaceae, Dicotyledonous

Common name: whole-leaved scabious

Synonym(s) of Common name:

Name per country: FR : knautie hybride ; IT : ambretta annuale ; PT : ; EN : whole-leaved scabious ;

Biological type: Annual

Seed snapshot Seed:

.

Seedling snapshot Seedling:

- Cotyledons elongate, spoonlike.

- Leaves entire, elliptic to ovate, entire-margined.

Adult plant snapshot Adult plant snapshot Adult plant:

- Height: 30-60 cm.

- Stem covered with downward directed hairs in its lower part.

- Leaves: lower in rosette, pinnatifid. Upper leaves lanceolate -linear, entire.

- Flowers pale pink or lilac in head. Involucre of 8-12 bracts ovate, pointed, ciliate, shorter than the head. Head flattened in its upper part.Flowers in rays on the margin with very unequal lobed corolla. Involucel of the calyx ending into teeth.

- Fruit : hairy achenes.

- Biological type: Annual.

Ecological profile (click on flags): France   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/knain_ah.htm ,