Cirsium arvense (L.) Scop.

Family: COMPOSITAE (ASTERACEAE)

Genus: Cirsium

Catalan common name: Calcida. Calcides.

Spanish common name: Cardo blanco. Cardo cundidor. Cardo oloroso. Ramoncillo negro.

Province distribution: Alacant. Balearic Islands. Barcelona. Castelló. Girona. Lleida. Tarragona. València.

Distribution in the islands: Mallorca. Ibiza.

General distribution (Phytogeography): Holoartica

IUCN Category: LCLeast concern

Flowering time: JanFebMarAprMayJunJulAugSepOctNovDec

Life-forms: Geophyte.

Habitats: Cultivated fields, path and road sides, disturbed zones. Cultivated fields.

Characteristics: A spiny herbaceous plant of short stature, and to the contrary of the other thistles, forms compact populations, this is because the roots form many aerial stems. Capitulum have blue flowers. Can be distinguished from other thistles by its size and by its scantly divided leaves. Flowers during the summer and fall.