genus Lonchocarpus ge·nus·lonc·hocarpus uncommon noun 1. genus of chiefly tropical American shrubs and trees having pinnate leaves and red or white flowers SynonymsLonchocarpusgenus Lonchocarpus Related words Broader terms rosid dicot genus Parts Papilionoideae Part of cube WordNet 2.1 (Princeton University). WordNet 2.1 Copyright Princeton University. All rights reserved.