Group: Spermatophytina (Spermatophytes)
Family: Asteraceae (Daisy family)
Genus: Xanthium (Cocklebur)
Xanthium strumarium L. - Rough Cocklebur
Xanthium orientale L. - Oriental Cocklebur
Xanthium spinosum L. - Spiny Cocklebur
30–100 cm tall, without latex, capitula unisexual. inflorescence: capitula (with involucres), ♂‑capitula in the axils of supporting-leaves, ♀‑capitula clustered. capitula: only with tubular-flowers, ♀‑capitula 2‑flowered, ♂‑capitula multi-flowered,
The colours represent the floristic status of the species in the respective region. Green indicates native occurrences, light green naturalized occurrences. Adventive occurrences are represented by light yellow shades and plants that are cultivated (but rarely occur in the wild) are dark yellow. Grey colours are used, if the floristic status of species is unknown or uncertain.
ruderal vegetation