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

Bayer Code : lthtu

Scientific name: Lathyrus tuberosus L.

Synonym(s) of Sc. name:

Classification: Leguminosae, Dicotyledonous

Common name: tuberous pea

Synonym(s) of Common name:

Name per country: DE : Knollen-Platterbse ; ES : alverja tuberosamalva ; FR : gesse tubéreuse ; IT : cicerchia tuberosa ; PT : ; EN : tuberous pea ; NL : aardaker ;

Biological type: Perennial with tubers

Seed snapshot Seed:


Seedling snapshot Seedling:

- Cotyledons invisible (hypogeal germination).

- Leaves pinnately divided.

Adult plant snapshotAdult plant snapshot Adult plant:

- Height: 30-100 cm. Plant glabrous.

- Stem prostrate or scrambling, slender, very branched and tangled. Roots bearing tubers often ovoid.

- Leaves with 2 elliptic-elongate leaflets. Leaflets short-stalked, on a wingless and slightly chanelled petiole. At first without tendril, in the next leaves the petiole is ended in a simple then branched tendril.

- Flowers bright red-carmin 2-5 in axillary unilateral raceme on a peduncle longer than the leaf.

- Fruit : pod 25-35 x 4-6 mm, cylindrical, glabrous, dull, brown. 3-6 seeds, 3-4 mm, angular, brown, shining.

- Plant which propagates with tubers, different by size and form, underground sproutings are slender, early woody, swollen here and there.

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

- Biological type: Perennial with tubers.

Mistake with: Lathyrus hirsutus

Ecological profile (click on flags): BeneLux   Present     Germany  Rare     France  Present     Italy  Present    

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