Castilleja

Castilleja, commonly known as Indian paintbrush or Prairie-fire, is a genus of about 200 species of annual and perennial herbaceous plants native to the west of the Americas from Alaska south to the Andes, as well as northeast Asia. These plants are classified in the family Orobanchaceae, They are semi-parasitic on the roots of grasses and forbs.

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Castilleja species are used as food plants by the larvae of some Lepidoptera species including Schinia cupes (which has been recorded on C. exserta) and Schinia pulchripennis (which feeds exclusively on C. exserta), and checkerspot butterflies such as Euphydryas species.

One of the species of this genus, Castilleja linariaefolia, was adopted on January 31, 1917 as the state flower of Wyoming.^[1]

Selected species

References