Weed Science & Agronomy
INRA-Dijon
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Unité de Malherbologie & Agronomie Weed Science & Agronomy INRA-Dijon |
Bayer Code : trfpu
Synonym(s) of Sc. name:
Classification: Leguminosae, Dicotyledonous
Common name: purple clover
Synonym(s) of Common name:
Name per country: DE : Purpur-Klee ; ES : trébol purpura ; FR : trèfle pourpre ; IT : trifoglio purpureo ; PT : ; EN : purple clover ;
Biological type: Annual
- Cotyledons lengthened, spoon-shaped.
- First leaf simple, later 3-foliolate.
- Height: 20-40 cm.
- Stem stiff, erect, with spreading hairs.
- Leaves with leaflets all linear, lanceolate -acute; stipules narrow with a free part awl -like.
- Flowers red-purple, large, the upper flowering a long time after the lower, in big terminal heads, solitary and peduncled; calyx hairy with unequal teeth ended by a gland and fascicled hairs; corolla much longer than the calyx.
- Fruits : pods.
- Rare in crops.
- Biological type: annual.
- Risk of confusion at seedling stage with all the other species of Trifolium and the species of Oxalis .
Ecological profile (click on flags):
Rare
