Annuals Dictionary: Silybum
Daisy family
Compositae
Sil-ly’bum. Annual or biennial herbs, comprising only 2 species, natives of the Mediterranean region. The species below grown as an ornamental plant for its silvery leaves. Also grown as a vegetable, since its roots, leaves, and flowerheads are edible.
Description
Leaves alternate, with white spots and veins on the upper side, the margins lobed and spiny. Flowerheads purplish, solitary and nodding. Many bracts surround the head, forming a globe-shaped receptacle.
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