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

Bayer Code : ssyir

Scientific name: Sisymbrium irio L.

Synonym(s) of Sc. name:

Classification: Cruciferae, Dicotyledonous

Common name: london-rocket

Synonym(s) of Common name:

Name per country: DE : Schlaffe Rauke ; ES : matacandil ; FR : sisymbre irio ; IT : erba cornacchia irida ; PT : ; EN : london-rocket ;

Biological type: Annual, Biennial

Seed snapshot Seed:


Seedling snapshotSeedling snapshot Seedling:

- Cotyledons elongate, spoon-shaped.

- Leaves entire, ovate to deltoid, irregularly dentate then pinnately divided.

Adult plant snapshotAdult plant snapshot Adult plant:

- Height: 20-80 cm. Plant glabrous or lanate.

- Stem erect, simple or branched.

- Leaves stalked, runcinate -pinnate, with dentate lobes, the terminal larger than the lateral ones, hastate and lengthened in the upper leaves; lateral lobes more or less perpendicular to the midvein and usually downward-directed.

- Flowers yellow, small, the upper overtopped by the young siliquae; sepals 2 to 4 times shorter than the pedicel.

- Fruit 4 cm long with stalks 6-10 mm long and narrower than the fruit; in fruiting and ascending racemes. Siliqua ascending, long, glabrous; valve 3-veined ; seeds small, yellow, smooth on a single row.

- Biological type: annual or biennial.

Ecological profile: Spain   Present     France  Present     Portugal  Rare    

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