Noun | 1. | genus Laportea - mostly tropical stinging herbs or trees: nettle dicot genus, magnoliopsid genus - genus of flowering plants having two cotyledons (embryonic leaves) in the seed which usually appear at germination family Urticaceae, nettle family, Urticaceae - a family of plants of order Urticales including many nettles with stinging hairs Laportea canadensis, wood nettle - American perennial herb found in rich woods and provided with stinging hairs; provides fibers used for textiles Australian nettle, Australian nettle tree - any of several tall Australian trees of the genus Laportea |