Английская Википедия:Grindelia hirsutula
Шаблон:Short description Шаблон:Speciesbox
Grindelia hirsutula is a North American species of flowering plant in the family Asteraceae known by the common names hairy gumplant and hairy gumweed.[1][2]
Distribution
Grindelia hirsutula is native to North America, widespread across Canada and in California and Oregon.[3][4] The species is highly variable, and many local populations have been named as varieties or as distinct species. All these taxa do, however, intergrade with one another.[5]
Description
Grindelia hirsutula is an erect perennial herb or subshrub sometimes as much as Шаблон:Cvt tall but usually much shorter. The plant is usually green but the stems are often red or purplish-brown and the leaves can be somewhat yellowish to reddish.
The plant can produce numerous flower heads in branching arrays at the top of the plant. Each head is Шаблон:Cvt wide with hemispheric cups of greenish phyllaries around the base, the bracts claw-like and bent away from the flowers. The center of the head is filled with many small yellow disc florets surround by numerous golden ray florets. The head produces a thick white exudate, especially in new flower heads.[5]
Varieties
- Grindelia hirsutula var. maritima — San Francisco Gum Plant, San Francisco gumplant, coastal gumweed; endemic to coastal California in the San Francisco Bay Area.[6][7]
References
External links
- USDA Plants Profile for Grindelia hirsutula (hairy gumweed)
- CalFlora Database: Grindelia hirsutula (gumweed, hairy gumweed)
- Jepson Manual Treatment of Grindelia hirsutula
- University of California, Calphoto Photos gallery— Grindelia hirsutula
- Шаблон:Commons category-inline
- ↑ Calflora taxon report, University of California, Grindelia hirsutula Hook. & Arn., Gumweed, hairy gumweed
- ↑ Encyclopedia of Life: Grindelia hirsutula
- ↑ Шаблон:GRIN
- ↑ USDA: Grindelia hirsutula distribution map
- ↑ 5,0 5,1 Flora of North America, Grindelia hirsutula Hooker & Arnott, Bot. 1833.
- ↑ Calflora: Grindelia hirsutula var. maritima
- ↑ USDA: Grindelia hirsutula var. maritima
- Английская Википедия
- Grindelia
- Flora of California
- Flora of Canada
- Flora of Oregon
- 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 San Francisco Bay Area
- Plants described in 1833
- Flora without expected TNC conservation status
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