Noun | 1. | ![]() dicot genus, magnoliopsid genus - genus of flowering plants having two cotyledons (embryonic leaves) in the seed which usually appear at germination family Saururaceae, lizard's-tail family, Saururaceae - family of perennial aromatic herbs: genera Saururus, Anemopsis, Houttuynia lizard's-tail, Saururus cernuus, swamp lily, water dragon - North American herbaceous perennial of wet places having slender curled racemes of small white flowers |