Appearance
"M. tanacetifolia" is an annual or biennial herb growing one or more branching stems up to about 10–40 centimetres in height. The multilobed leaves are up to 5–12.5 cm long. Between May and September, an inflorescence bears one or more flower heads lined with spreading or curling, pointed phyllaries. The head has a center of many yellow disc florets and a fringe of many lavender to purple ray florets each 1 to 2 cm long. The fruit is a flat achene about 1 cm long including the pappus.It is similar to "M. parviflora", the flower heads of which are smaller.
Distribution
It is native to Alberta, the southwestern and central United States, and northern Mexico.Habitat
It grows in several types of habitat, including sandy open plains and deserts.Uses
The Zuni people use an infusion of the flowers taken with other flowers for unspecified illnesses.References:
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