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

Bayer Code : lthhi

Scientific name: Lathyrus hirsutus L.


Synonym(s) of Sc. name:

Classification: Leguminosae, Dicotyledonous

Common name: hairy vetchling

Synonym(s) of Common name:

Name per country: DE : Behaartfrüchtige Platterbse ; ES : alverja peluda ; FR : gesse hérissée ; IT : cicerchia pelosa ; PT : chícharo-verrugoso ; EN : hairy vetchling ;

Biological type: Annual, Biennial


Seed snapshotSeed snapshot Seed:

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Seedling snapshotSeedling snapshot Seedling:

- Cotyledons invisible (hypogeal germination).

- Leaves pinnately divided.


Adult plant snapshotAdult plant snapshot Adult plant:

- Height: 30-100 cm. Plant hairy.

- Stem climbing, narrow-winged.

- Leaf with petiole shorter than the leaflets, angular and ending in a branched tendril. 2 lengthened and acute leaflets per leaf.

- Flowers light-purple then blue, rarely white, solitary or 2-3. Flowering branches much longer than the leaf.

- Fruit : linear pod, hairy, each hair with a small basal wart. Fruit slightly swollen and keel -like. Seeds globose, grey-brown, warty and rough.

- Rare in crops.

- Risk of confusion with Lathyrus tuberosus L. (before flowering).

- Biological type: Annual or biennial.


Ecological profile (click on flags): France   Rare     Portugal  Rare    

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