Sanddune Wallflower Plant Information
Sanddune Wallflower grows in the following 27 states:Alaska, Arizona, Colorado, Idaho, Illinois, Indiana, Kansas, Maryland, Montana, New Mexico, Oklahoma, Utah, Wisconsin, Wyoming, Oregon, West Virginia, Arkansas, California, Iowa, Michigan, Missouri, Nevada, Ohio, Tennessee, Texas, Virginia, Washington
This species can be found in regions across North America, from the Great Lakes to the West Coast of the United States and Alaska. Some varieties have an extremely narrow distribution, especially those endemic to California.Erysimum capitatum is a species of wallflower known commonly as the sanddune wallflower, western wallflower, or prairie rocket.
Erysimum capitatum is a mustard-like plant with thin, erect stems growing from a basal rosette and topped with dense bunches of variably colored flowers. Flowers are most typically bright golden, yellow, tangerine-colored, but plants in some populations may have red, white or purple flowers. Each flower has four flat petals. Seed pods are nearly parallel to the stem.
There are varieties or subspecies of this plant. Some are listed endangered species. For example, Erysimum capitatum var. angustatum, the Contra Costa wallflower, is an endangered plant in the state of California. The varieties include:
Little information on this wallflower species relationship with pollinators exists. Andrew Moldenke studied a population of Erysimum capitatum var. perenne in Subalpine Talus Fell Scree of the Timberland Hall Area (2,900-3,500 metres (9,500-11,500ft) elevation). He observed 13 species of flower visitors, although over 80% of the visits to the flowers were performed by two ant species, Formica lasioides and one from the Formica fusca group.
Erysimum capitatum is cultivated as an ornamental plant. It is an attractive perennial, can be variable in appearance, and is used in butterfly gardening.
In Zuni ethnobotany, an infusion of the whole plant is used externally for muscle aches. The flower and the fruit are eaten as an emetic for stomachaches.
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