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

Bayer Code : xansp

Scientific name: Xanthium spinosum L.

Synonym(s) of Sc. name:

Classification: Compositae, Dicotyledonous

Common name: spiny cocklebur

Synonym(s) of Common name:

Name per country: DE : Dornige Spitzklette ; ES : pegotes ; FR : lampourde épineuse ; IT : nappola spinosa ; PT : pica-três ; EN : spiny cocklebur ;

Biological type: Annual

Seed snapshot Seed:

.

Seedling snapshotSeedling:

- Cotyledons very narrow, elongate (> 10 times longer than broad).

- Leaves entire, elliptic or ovate, regularly dentate.

Adult plant snapshot Adult plant snapshotAdult plant snapshot Adult plant:

- Height: 30-65 cm. Plant thistle-like.

- Stem branched near the base, pubescent.

- Leaves lengthened, deeply lobed, 3-5 lobes elongate, green above grey tomentose beneath, strong yellow lobed spines at the base of each leaf -stalk.

- Flowers greenish, male heads globose, female heads 2-flowered.

- Fruit ellipsoidal, 10-15 mm, covered with short hairs and yellow slender hooked spines. 2 terminal unequal and obscure beaks for each fruit.

- Biological type: annual.

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

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