Difference between revisions of "Grindelia camporum"

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|genus=Grindelia
 
|genus=Grindelia
 
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|habit=shrub
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|common_name=Great Valley gumplant, Great Valley gumweed
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|name_ref=Wikipedia
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|habit=herbaceous
 
|habit_ref=Flora - A Gardener's Encyclopedia ISBN 0881925381
 
|habit_ref=Flora - A Gardener's Encyclopedia ISBN 0881925381
 
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|usda_ref=Flora - A Gardener's Encyclopedia ISBN 0881925381
 
|usda_ref=Flora - A Gardener's Encyclopedia ISBN 0881925381
 
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'''''Grindelia camporum''''' is a species of flowering plant in the [[Asteraceae|daisy family]] known by the common names '''Great Valley gumplant''' and '''Great Valley gumweed'''. It is native to [[California]] and [[Baja California]], where it can be found in a number of habitats. Its range may extend into [[Nevada]]. This hardy plant readily grows in disturbed and altered areas such as ditches and roadsides. It is a gangly weedlike perennial topping two meters in maximum height. Its erect, branching stems are lined with many stiff, wavy-edged, serrated leaves 2 to 3 centimeters long. Atop the stem branches are [[inflorescence]]s of a single large [[Head (botany)|flower head]] up to 3 centimeters wide. The head is a vaguely thistlelike cup of green clawlike [[bract|phyllaries]] that bend downward. The center of the head is filled with yellow disc florets and there are usually many yellow ray florets around the circumference. The flower head fills with a copious white exudate, especially during the early stages of blooming. This plant has a number of historical medicinal uses.
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{{Inc|
 
{{Inc|
 
Grindelia camporum (Grindelia robusta, Nutt). Gum-plant. Herbaceous: lvs. larger and more rigid, broadly cordate-oblong, obtuse: achenes all, or some outer ones, 1-toothed or bordered at the summit.—Flowers throughout the Californian winter. Collected stock is offered.
 
Grindelia camporum (Grindelia robusta, Nutt). Gum-plant. Herbaceous: lvs. larger and more rigid, broadly cordate-oblong, obtuse: achenes all, or some outer ones, 1-toothed or bordered at the summit.—Flowers throughout the Californian winter. Collected stock is offered.
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==Cultivation==
 
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===Propagation===
 
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==Species==
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==Varieties==
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==References==
 
==References==
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*[[Standard Cyclopedia of Horticulture]], by L. H. Bailey, MacMillan Co., 1963
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<!--- xxxxx  *Flora: The Gardener's Bible, by Sean Hogan. Global Book Publishing, 2003. ISBN 0881925381  -->
 
<!--- xxxxx  *Flora: The Gardener's Bible, by Sean Hogan. Global Book Publishing, 2003. ISBN 0881925381  -->
 
<!--- xxxxx  *American Horticultural Society: A-Z Encyclopedia of Garden Plants, by Christopher Brickell, Judith D. Zuk. 1996. ISBN 0789419432  -->
 
<!--- xxxxx  *American Horticultural Society: A-Z Encyclopedia of Garden Plants, by Christopher Brickell, Judith D. Zuk. 1996. ISBN 0789419432  -->
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Latest revision as of 20:06, 9 August 2010


Grindelia robusta.jpg


Plant Characteristics
Habit   herbaceous

Height: ⇕ 60 in"in" can not be assigned to a declared number type with value 60.
Width: ⇔ 40 in"in" can not be assigned to a declared number type with value 40.
Lifespan: ⌛ perennial, annual
Bloom: ❀ early summer, mid summer, late summer
Cultivation
Exposure: ☼ sun
Features: ✓ flowers
USDA Zones: 8 to 10
Flower features: ❀ orange, yellow
Scientific Names

Asteraceae >

Grindelia >

camporum >


Grindelia camporum is a species of flowering plant in the daisy family known by the common names Great Valley gumplant and Great Valley gumweed. It is native to California and Baja California, where it can be found in a number of habitats. Its range may extend into Nevada. This hardy plant readily grows in disturbed and altered areas such as ditches and roadsides. It is a gangly weedlike perennial topping two meters in maximum height. Its erect, branching stems are lined with many stiff, wavy-edged, serrated leaves 2 to 3 centimeters long. Atop the stem branches are inflorescences of a single large flower head up to 3 centimeters wide. The head is a vaguely thistlelike cup of green clawlike phyllaries that bend downward. The center of the head is filled with yellow disc florets and there are usually many yellow ray florets around the circumference. The flower head fills with a copious white exudate, especially during the early stages of blooming. This plant has a number of historical medicinal uses.


Read about Grindelia camporum in the Standard Cyclopedia of Horticulture 

Grindelia camporum (Grindelia robusta, Nutt). Gum-plant. Herbaceous: lvs. larger and more rigid, broadly cordate-oblong, obtuse: achenes all, or some outer ones, 1-toothed or bordered at the summit.—Flowers throughout the Californian winter. Collected stock is offered. CH


The above text is from the Standard Cyclopedia of Horticulture. It may be out of date, but still contains valuable and interesting information which can be incorporated into the remainder of the article. Click on "Collapse" in the header to hide this text.


Cultivation

Propagation

Pests and diseases

Varieties

Gallery

  • photo 1

  • photo 2

  • photo 3

References


External links


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