n. 1. 1 a family comprising the birthworts; wild ginger. Syn. -- family Aristolochiaceae, birthwort family [ WordNet 1.5 ]
n. 1. 1 an order of plants distinguished by tubular petaloid perianth and inferior ovary. It includes the Aristolochiaceae, Rafflesiaceae, and Hydnoraceae. Syn. -- order Aristolochiales. [ WordNet 1.5 ]