Erysimum capitatum
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| Erysimum capitatum | ||||||||||||||
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| Erysimum capitatum (Dougl. ex Hook.) Greene |
Erysimum capitatum is a species of wallflower known commonly as the sanddune wallflower, western wallflower, or prairie rocket. It is a mustard-like plant with thin, erect stems growing from a basal rosette and topped with dense bunches of bright golden, yellow, or tangerine colored flowers, each with four flat petals. Seed pods extend straight out from the stem. Although quite variable in appearance, it is an attractive garden plant.
There are several natural variants of this plant. Each is treated separately, with certain variants considered endangered species in some areas. For example Erysimum capitatum var angustatum, the Contra Costa wallflower, is an endangered plant in the state of California.
[edit] Subspecies
- E. c. var. angustatum - Contra Costa wallflower
- E. c. var. bealianum
- E. c. var. capitatum
- E. c. var. lompocense - San Luis Obispo wallflower
- E. c. var. perenne
- E. c. var. purshii - Pursh's wallflower
This species can be found across North America, but some variants have an extremely narrow distribution, especially in California.
[edit] External links
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