Convolvulus arvensis, Bindweed, (Convolvulaceae, the Morning-glory Family), trailing or climbing to 1 m in length/height often forming dense tangled mats, white floral rays, habitat: a common weed in fields, roadsides, and waste places in U.S. and Canada (102, 103).
Bindweed is known to produce the aglycone scopoletin (238), also known as chrysatropic acid, and gelseminic acid (172).
Corydalis aurea, Corydalis, (Fumariaceae, the Fumitory Family), 2-5 dm in height, yellow floral rays, habitat: rocky banks or sandy soil, widly distributed in western U.S. (102, 103).
Corydalis is known to produce corypalline (238), protopine, stylopine (97), and tetrahydropalmatine, also known as caseanine, gindarine, and rotundine (174).
It was used by American Indian groups to treat sores on hands, postpartum puerperal infections, rheumatism, and tea for stomachache and sore throats. Historically physicians used tea for menstrual irregularities, dysentery, diarrhea, recent syphilitic nodes, and related afflictions (88). The American Ramah Navajo drank a cold tea for rheumatism (88).
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