genus Kosteletzya ge·nus·kos·teletzya uncommon noun 1. small genus of herbs of southeastern United States and tropical America and Africa SynonymsKosteletzyagenus Kosteletzya Related words Broader terms dilleniid dicot genus Parts Malvaceae Part of seashore mallow WordNet 2.1 (Princeton University). WordNet 2.1 Copyright Princeton University. All rights reserved.