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

Bayer Code : cpair

Scientific name: Calepina irregularis (Asso) Thellung

Synonym(s) of Sc. name: Calepina corvini (All.) Desv.

Classification: Cruciferae, Dicotyledonous

Common name: white ball-mustard

Synonym(s) of Common name:

Name per country: DE : Ungleicher Wendich ; FR : calepine de Corvin ; IT : miagro rostellato ; PT : erva-dos-prados ; EN : white ball-mustard ;

Biological type: Annual

Seed snapshot Seed:


Seedling snapshot Seedling:

- Cotyledons elongated spoon shaped.

- Pinnate, divided leaves.

Adult plant snapshot Adult plant:

- Height: 30-80 cm. Dull blue-green, glabrous.

- Stem simple or branched.

- Lowers leaves in rosette ; green glabrous leaves, divided and petiolate. Leaves in proximity of inflorescence, dentate and clasping stem at 2 points of leaves's base. Leaves clearly petiolate with well marked veins.

- Yellow flowers with small and unequal petals united in composed raceme. External petals longer.

- Fruits : ovoid silicules, globulous, wrinkled, borne on peduncles curved towards top. Fructiferous elongated and narrow raceme.

- - Risk of confusion with: Capsella bursa-pastoris L., Rapistrum rugosum (L.) All. (seedling stage), Myagrum perfoliatum L.

- Biological type: annual.

Mistake with: Capsella bursa-pastoris , Rapistrum rugosum , Myagrum perfoliatum

Ecological profile (click on flags): France   Present     Italy  Present    

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