Cardamine diphylla
Cardamine diphylla
Synonyms: Dentaria diphylla, Dentaria bifolia
Western Herbalism Properties
Botanical Description
Cardamine diphylla, the broadleaf toothwort or crinkleroot, is a perennial spring ephemeral in the family Brassicaceae native to eastern North America, ranging north to Quebec and Nova Scotia, south to Georgia and Alabama, and west to Wisconsin, with its distribution centered on the Great Lakes region. The plant typically reaches about 30 cm in height and bears a single pair of opposite stem leaves, each divided into three broad, coarsely toothed leaflets. Four-petalled white to pale-pink flowers are borne in a terminal cluster from April to June, followed by narrow erect siliques typical of the mustard family. The shallowly buried, jointed rhizome has a sharp peppery flavour that gives the plant its English common names of toothwort, pepper root and crinkleroot. The species grows in moist deciduous woodlands, particularly along edges and stream banks, often in calcareous mesic forests.
Cultural & Historical Context
Traditional American Uses
Cardamine diphylla was an important plant in the medicine and food traditions of many eastern Woodland peoples. The Iroquois used decoctions and infusions of the rhizome and leaves as a breast treatment, carminative, dermatological aid, febrifuge, gastrointestinal aid, love medicine, psychological aid, pulmonary aid, sedative, throat aid and venereal aid (Herrick, 1977). The Cherokee employed the plant as an analgesic, cold remedy and throat aid, and reportedly burned it as a smoking plant in ceremonial contexts (Hamel & Chiltoskey, 1975). The Algonquin of Quebec used it as a febrifuge, heart medicine and pediatric aid (Black, 1980), and the Delaware and Oklahoma Delaware used it for gastrointestinal complaints, tuberculosis and venereal disease (Tantaquidgeon, 1972). The Malecite and Micmac of the Maritimes used the plant as a throat aid and pediatric tonic (Speck & Dexter, 1951). Across many of these groups the peppery rhizome was also eaten raw, boiled as a potherb, or mixed with salt, vinegar or sugar as a horseradish-like condiment.
Chemistry & External Identifiers
Important Disclaimer
This information is for educational purposes only and is not intended to replace professional medical advice. Always consult a qualified healthcare provider before using any herbal remedy, especially if you are pregnant, nursing, or taking medications.