An Artichoke

1. A plant related to the thistle with enlarged flower heads eaten as a vegetable while immature, Cynara cardunculus var. scolymus.
2. A dull green colour, like that of an artichoke.

globe artichoke (edible variety)

cardoon (wild variety)

Cynara scolymus (the former taxonomic name)

Cynara cardunculus (the currently accepted taxonomic name, which also includes cardoons)