Ten varieties of Buckeye are used medicinally: Aesculus californica - Californian Buckeye, Aesculus flava - Sweet Buckeye, Aesculus glabra - Ohio Buckeye, Aesculus hippocastanum - Horse Chestnut, Aesculus chinensis - Chinese Horse Chestnut, Aesculus indica - Indian Horse Chestnut, Aesculus parviflora, Aesculus pavia - Red Buckeye, Aesculus turbinata - Japanese Horse Chestnut, Aesculus x carnea - Red Horse Chestnut