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Large spiny leaves up to three feet long on plant to six feet. Central stalk ...
Upright perennial with spiny leaves. Flower heads pinkish purple or blue; ...
Large plant to 6 ft. with spiny leaves up to 3 ft. long. Purple, thistle-like ...
Artichokes most of us know very well. But perhaps not everyone is familiarized ...
Spotted this artichoke thistle walking in the Point Isabel Regional Shoreline ...
. Cardoon stalks can be covered with small, ...