Weed Science & Agronomy
INRA-Dijon
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Unité de Malherbologie & Agronomie Weed Science & Agronomy INRA-Dijon |
Bayer Code : oxaco
Synonym(s) of Sc. name: Oxalis repens Thunb.
Classification: Oxalidaceae, Dicotyledonous
Common name: procumbent yellow-sorrel
Synonym(s) of Common name:
Name per country: DE : Horn-Sauerklee ; ES : acederilla ; FR : oxalis corniculée ; IT : acetosella dei campi ; PT : erva-azeda-de-folha-pequena ; EN : procumbent yellow-sorrel ; NL : gehoornde klaverzuring ;
Biological type: Annual, Perennial
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- Cotyledons lengthened, spoon-like.
- Leaves ternate.
- Height: 10-30 cm.
- Stem branched from the base, very often prostrate, relatively much hairy.
- Leaves all cauline, alternate, with 3 cordate leaflets. Leaflets with a short petiole, dull-green often becoming purple, very hairy. Petioles often red-tinged. Stipules lanceolate, narrow, membranous, usually more or less red, with much-ciliate margins.
- Flowers yellow, 2-6 in cymes on axillary and long peduncles. Sepals lanceolate adnate to the fruit.
- Fruit: cylindric capsule, oblong, 12-15 mm, pubescent. Seeds 1-1.2 mm, brown, elliptic, broad, transversally wrinkled.
- Plant sometimes cultivated as horticultural plant.
- Risk of confusion with Oxalis fontana Bunge and at seedling stage with all species of Trifolium .
- Biological type: annual or perennial.
Mistake with: Oxalis fontana , Trifolium
Ecological profile (click on flags):
Rare
Rare
Present
Present
Present
Present
