The globe artichoke (Cynara cardunculus var. scolymus) is a variety of a species of thistle cultivated as a food.
The edible portion of the plant consists of the flower buds before the flowers come into bloom. The budding artichoke flower-head is a cluster of many budding small flowers (an inflorescence) together with many bracts, on an edible base. Once the buds bloom, the structure changes to a coarse, barely edible form. Another variety of the species is the cardoon, a perennial plant native to the Mediterranean region. Both wild forms and cultivated varieties (cultivars) exist.
This vegetable grows to 1.4–2 m (4.6–6.6 ft) tall, with arching, deeply lobed, silvery, glaucous-green leaves 50–82 cm (20–32 in) long. The flowers develop in a large head from an edible bud about 8–15 cm (3.1–5.9 in) diameter with numerous triangular scales; the individual florets are purple. The edible portions of the buds consist primarily of the fleshy lower portions of the involucral bracts and the base, known as the "heart"; the mass of immature florets in the center of the bud is called the "choke" or beard. These are inedible in older, larger flowers.
Photos 15/4/2016 by George Konstantinou
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