Xanthium orientale

Ssp italicum: Domuzpıtrağı

Sturdy erect scabrous annual, 15-80 cm. Stems unarmed. Leaves long-petiolate, 4-12 cm, cuneate-ovate, obscurely 3- or 5-lobed, irregularly crenate. Capitula clustered in leafaxils or borne in axillary and terminal inflorescences. Fruiting involucre 12-30 x 8-20 mm , very variable in colour and form. Fl. &fr. 7-10.

1. Fruiting involucre scabrous to tomentose, 12-17 x 8-15 mm, green to brown, bearing a sparse to moderate armature of straight or hooked spines; beaks parallel or divergent, straight or curved but not hooked ......................subsp. strumarium

1. Fruiting involucre hispid, 15-30 x 12-20 mm, golden-brown, densely armed with hooked spines; beaks divergent, hooked ............ subsp. cavanillesii =X.orientale ssp italicum