Weed Science & Agronomy
INRA-Dijon
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Unité de Malherbologie & Agronomie Weed Science & Agronomy INRA-Dijon |
Bayer Code : medor
Synonym(s) of Sc. name:
Classification: Leguminosae, Dicotyledonous
Common name: button medick
Synonym(s) of Common name:
Name per country: DE : Scheibenklee ; ES : mielga de caracolillo ; FR : luzerne orbiculaire ; IT : erba medica orbicolare ; PT : luzerna-orbicular ; EN : button medick ;
Biological type: Annual
.
- Cotyledons elliptic to ovate, rounded tip, more or less stalked.
- First leaf rounded, obtuse at the base; the later 3-foliolate.
- Height: 20-70 cm.
- Stem angular, nearly hairless.
- Leaves with acute-striped stipules. Leaflets toothed in the upper part.
- Flowers yellow solitary or in 2-3 on a flowering branch shorter than the leaf and ending in a slender flowerless segment. Standard longer than the keel and keel longer than the wings.
- Fruit : pod more or less glabrous, membranous, in a helix of 2-6 turns not coiled, biconvex, 9-18 mm in diameter. Fruit indehiscent.
- Plant protected in Limousin (decree 01/09/89).[France].
- Risk of confusion with glabrescent species of Medicago ( Medicago polymorpha L.).
- Biological type: annual.
Mistake with: Medicago polymorpha , Medicago
Ecological profile (click on flags):
Present
Present
Present
Rare
