A plant genus of the family HIPPOCASTANACEAE (or SAPINDACEAE by some) that contains antimicrobial protein 1 and escin. A. hippocastanum is used in folk medicine for treating chronic venous insufficiency.

Synonyms: Chestnuts, Horse, Red Chestnut, Aesculus, Horse Chestnut, txid43363, txid43364, Red Chestnuts, Chestnut, Red, Chestnuts, Red, Chestnuts, Common Horse, Common Horse Chestnut, Chestnut, Common Horse, Common Horse Chestnuts, Buckeyes, Horse Chestnut, Common, Aesculus hippocastanum, Horse Chestnuts, Common, Horse Chestnuts