This section is from the book "Harper's Guide To Wild Flowers", by Caroline A. Creevey. Also available from Amazon: Harper's Guide To Wild Flowers.
Family, Composite. Color, yellow. Flowers, all tubular and much compressed into flat-topped corymbs.
Leaves, much cut into fine-toothed segments or leaflets, on winged petioles which are also cut-toothed.
An herb formerly cultivated for its medicinal qualities. It has escaped from gardens and become a weed in some places. Plant from 3 to 4 feet high, usually lower, with a strong, pungent scent.
 
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