Lewis & Short

cardu .s, i (access. form cardus, ūs, Edict. Diocl. p. 17; cf. Charis. p. 57 P.), m., the thistle.

    1. 1. The wild thistle, Verg. G. 1, 152; Col. 7, 8, 1; Plin. 20, 23, 99, § 262; Veg. 1, 7, 14.
    2. 2. The esculent thistle or artichoke, = cinara, Plin. 19, 8, 43, § 152 sq.; Pall. Mart. 9, 1, 3; id. Oct. 11, 1.