the plant family Aristolochiaceae, typified by mostly tropical woody vines and herbaceous plants, having alternate, heart-shaped leaves and flowers lacking true petals but having three petallike sepals, and including the birthwort, Dutchman's-pipe, and wild ginger.
BIRTHWORT FAMILY
Meaning of BIRTHWORT FAMILY in English
Random House Webster's Unabridged English dictionary. Полный английский словарь Вебстер - Random House . 2012