Английская Википедия:Castilleja exserta
Шаблон:Short description Шаблон:Speciesbox
Castilleja exserta (formerly Orthocarpus purpurascens) is a species of plant in the genus Castilleja which includes the Indian paintbrushes. Its common names include purple owl's clover, escobita, and exserted Indian paintbrush.[1]
This species is native to the Southwestern United States in various habitats of California, Arizona, and New Mexico; and to Northwestern Mexico.[2] It is an introduced species in Hawaii.
Description
Castilleja exserta is an annual herb about Шаблон:Convert tall with a hairy stem covered in thready leaves. Like other related Castilleja plants, this species is a hemiparasite, deriving some of its nutrients directly from the roots of other plants by infiltrating them with haustoria. As a result, its own leaves are small and reduced.
Although this species is variable in appearance and easily hybridizes with other Castilleja species, it generally bears a brightly colored inflorescence of shaggy pink-purple or lavender flowers. The thin, erect bracts are usually tipped with the same color, giving the inflorescence the appearance of a paintbrush.[3]
Varieties
Varieties include:
- Castilleja exserta var. exserta — pale purple owlclover.[4][5]
- Castilleja exserta var. latifolia — wideleaf Indian paintbrush; endemic to coastal California.[5][6][7]
- Castilleja exserta var. venusta — endemic to California: Mojave Desert, southern San Joaquin Valley.[5][8][9][10]
Bay checkerspot butterfly host
This is a crucial host plant for the Bay checkerspot butterfly (Euphydryas editha bayensis), which is a threatened species that is endemic to the San Francisco Bay region in California.
The seeds were harvested by indigenous peoples of California for food.[11]
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2015
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Antelope Valley Purple owl's clover
References
External links
- Шаблон:Commons category-inline
- Closeup photos — at Henry Coe State Park, S.F. Bay Area.
- Castilleja exserta — U.C. Photo gallery
- ↑ CalFlora database: Castilleja exserta . accessed 3.23.2013
- ↑ Шаблон:Cite web
- ↑ Шаблон:Cite web
- ↑ CalFlora: Castilleja exserta ssp. exserta
- ↑ 5,0 5,1 5,2 Шаблон:Cite web
- ↑ CalFlora: Castilleja exserta ssp. latifolia
- ↑ Шаблон:Cite web
- ↑ CalFlora: Castilleja exserta ssp. venusta
- ↑ USDA: C. e. ssp. venusta
- ↑ Шаблон:Cite web
- ↑ Lady Bird Johnson Wildflower Center Native Plant Information Network (NPIN) — Castilleja exserta (Purple owl's clover) . accessed 3.23.2013
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- Castilleja
- Flora of Northwestern Mexico
- Flora of Arizona
- Flora of Baja California
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- Flora of Sonora
- Flora of the California desert regions
- Flora of the Klamath Mountains
- Flora of the Sierra Nevada (United States)
- Natural history of the California chaparral and woodlands
- Natural history of the California Coast Ranges
- Natural history of the Central Valley (California)
- Natural history of the Channel Islands of California
- Natural history of the Mojave Desert
- Natural history of the Peninsular Ranges
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- Butterfly food plants
- Plants used in Native American cuisine
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