genus Leycesteria ge·nus·ley·cesteria uncommon noun 1. small species of shrubs of western Himalayas to China SynonymsLeycesteriagenus Leycesteria Related words Broader terms asterid dicot genus Parts Caprifoliaceae Part of Himalaya honeysuckle WordNet 2.1 (Princeton University). WordNet 2.1 Copyright Princeton University. All rights reserved.