Weed Science & Agronomy
INRA-Dijon
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Unité de Malherbologie & Agronomie Weed Science & Agronomy INRA-Dijon |
Bayer Code : medri
Synonym(s) of Sc. name: Medicago gerardii Waldst. & Kit ex Willd., Medicago agrestis Ten. ex DC.
Classification: Leguminosae, Dicotyledonous
Common name: Medicago rigidula
Synonym(s) of Common name:
Name per country: DE : Starrer Schneckenklee ; ES : medicago rígida ; FR : luzerne de Gérard ; IT : erba medica rigidetta ; PT : luzerna-peluda ;
Biological type: Annual, Biennial
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- Cotyledons elliptic to ovate, rounded tip, more or less stalked.
- First leaf rounded, short-pointed apex; the later 3-foliolate.
- Height: 10-40 cm.
- Upper leaves often with leaflets broader than those of lower and median leaves, toothed above. Blades of leaflets very hairy. Stipules usually deeply cut or toothed.
- Flowers yellow solitary or 2-6 on flowering branches longer than the leaf. This branch is ended with a slender segment turned into an acute awn and flowerless. Standard longer than the keel, keel exceeding the wings.
- Fruit indehiscent, glandular -hairy, in a helix of 3-6 turns, and outer border thickened and rounded, furrowless, veins slightly prominent on the sides. Hooked spines, 1 mm long, on the border.
- Rare in crops.
- Risk of confusion with very hairy species and with species of Medicago with divided stipules ( Medicago truncatula Gaertner).
- Biological type: annual or biennial.
Mistake with: Medicago truncatula , Medicago
Ecological profile (click on flags):
Rare
Rare
Rare
