Difference between revisions of "Jacobaea maritima"

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{{SPlantbox
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|familia=Asteraceae
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|genus=Jacobaea
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|species=maritima
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|common_name=Dusty miller, Sea ragwort
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|name_ref=Flora - A Gardener's Encyclopedia
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|habit=shrub
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|habit_ref=Flora - A Gardener's Encyclopedia
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|Max ht box=20
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|Max ht metric=in
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|height_ref=Flora - A Gardener's Encyclopedia
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|Max wd box=16
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|Max wd metric=in
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|width_ref=Flora - A Gardener's Encyclopedia
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|lifespan=perennial
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|life_ref=Flora - A Gardener's Encyclopedia
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|exposure=sun
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|sun_ref=Flora - A Gardener's Encyclopedia
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|water=moderate
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|water_ref=Sunset National Garden Book
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|features=flowers
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|flower_season=early summer, mid summer, late summer
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|flower_ref=Flora - A Gardener's Encyclopedia
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|flowers=orange, yellow
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|Temp Metric=°F
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|min_zone=7
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|usda_ref=Flora - A Gardener's Encyclopedia
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|max_zone=10
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|sunset_zones=4-24, 29-32
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|image=Senecio cineraria5.jpg
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|image_width=200
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}}
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'''''Senecio cineraria''''' also known as '''Dusty miller''' is a [[species]] of ''[[Senecio]]'' from the family [[Asteraceae]], a native [[perennial]] of the [[Mediterranean]] and widely cultivated as an [[Annual (plant)|annual]] for its [[Silver (color)|silver]], [[felt]]-like leaves.
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''Senecio cineraria'' shares the [[common name]] '''Dusty miller''' with other plants that also have silvery leaves; the two most often to share the name are ''[[Centaurea cineraria]]'' and ''[[Lychnis coronaria]]''.
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''Jacobaea maritima'' is a very [[white]]-[[wool]]ly,<ref name='Bailey'/> [[frost]] tender, heat and [[drought]] tolerant, [[evergreen]],<ref name='msu'>http://msuplants.com/pd.asp?pid=1751</ref>
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[[perennial]], [[dicot]], [[subshrub]]<ref name='NRCS'/> that can grow to be {{convert|2|ft|m|1}} or less tall<ref name='Bailey'>http://books.google.com/books?id=PpQDAAAAMAAJ&pg=PA1658&lpg=PA1658</ref>
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and 18 to 24 inches (45 to 60&nbsp;cm) wide.<ref name='msu'/>
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'''Leaves and stems''': Stiff stems<ref name='msu'/> branching from the base, and covered in long, white, matted hairs. The leaves are  lance-shaped, 2 to 6 inches (5 to 15&nbsp;cm) long, serrated, pinnately cut,<ref name='msu'/> stiff, with oblong and obtuse segments,<ref name='Bailey'/> numerous and like the stems, also covered with long, white, matted hairs.<ref name='msu'/>
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'''Flowers''': Yellow or white in daisy-like,<ref name='mogarden'>http://www.mobot.org/gardeninghelp/plantfinder/Plant.asp?Code=A608</ref>
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{{convert|1.5|in|cm|0}} wide,<ref name='msu'/>
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rayless,<ref name='Bailey'/>
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compact [[flower head]]s resembling a single flower, but really composed of several florets inclosed in a common  whorl of [[sepal]]s  or ring of [[bract]]s at the base of the flower stalk.<ref name='Bailey'/>
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''S. cineraria'' does not produce flowers the first year.<ref name='mogarden'/>
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'''Seeds''': Fruit are cylindrical [[achenes]].<ref name='msu'/>
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==Cultivation==
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===Propagation===
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===Pests and diseases===
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==Varieties==
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==Gallery==
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<gallery perrow=5>
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File:Senecio cineraria 01.jpg| photo 1
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File:Fly at flower.jpg| photo 2
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Image:Upload.png| photo 3
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</gallery>
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==References==
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<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  -->
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<!--- xxxxx  *American Horticultural Society: A-Z Encyclopedia of Garden Plants, by Christopher Brickell, Judith D. Zuk. 1996. ISBN 0789419432  -->
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<!--- xxxxx  *Sunset National Garden Book. Sunset Books, Inc., 1997. ISBN 0376038608  -->
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==External links==
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*{{wplink}}
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{{stub}}
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__NOTOC__

Latest revision as of 20:32, 27 May 2010


Senecio cineraria5.jpg


Plant Characteristics
Habit   shrub

Height: ⇕ 20 in"in" can not be assigned to a declared number type with value 20.
Width: ⇔ 16 in"in" can not be assigned to a declared number type with value 16.
Lifespan: ⌛ perennial
Bloom: ❀ early summer, mid summer, late summer
Cultivation
Exposure: ☼ sun
Water: ◍ moderate
Features: ✓ flowers
USDA Zones: 7 to 10
Sunset Zones: 4-24, 29-32
Flower features: ❀ orange, yellow
Scientific Names

Asteraceae >

Jacobaea >

maritima >


Senecio cineraria also known as Dusty miller is a species of Senecio from the family Asteraceae, a native perennial of the Mediterranean and widely cultivated as an annual for its silver, felt-like leaves.

Senecio cineraria shares the common name Dusty miller with other plants that also have silvery leaves; the two most often to share the name are Centaurea cineraria and Lychnis coronaria.

Jacobaea maritima is a very white-woolly,[1] frost tender, heat and drought tolerant, evergreen,[2] perennial, dicot, subshrub[3] that can grow to be 2 ft m 1 or less tall[1] and 18 to 24 inches (45 to 60 cm) wide.[2]

Leaves and stems: Stiff stems[2] branching from the base, and covered in long, white, matted hairs. The leaves are lance-shaped, 2 to 6 inches (5 to 15 cm) long, serrated, pinnately cut,[2] stiff, with oblong and obtuse segments,[1] numerous and like the stems, also covered with long, white, matted hairs.[2]

Flowers: Yellow or white in daisy-like,[4] 1.5 in cm 0 wide,[2] rayless,[1] compact flower heads resembling a single flower, but really composed of several florets inclosed in a common whorl of sepals or ring of bracts at the base of the flower stalk.[1] S. cineraria does not produce flowers the first year.[4]

Seeds: Fruit are cylindrical achenes.[2]

Cultivation

Propagation

Pests and diseases

Varieties

Gallery

  • photo 1

  • photo 2

  • photo 3

References

  1. ↑ 1.0 1.1 1.2 1.3 1.4 http://books.google.com/books?id=PpQDAAAAMAAJ&pg=PA1658&lpg=PA1658
  2. ↑ 2.0 2.1 2.2 2.3 2.4 2.5 2.6 http://msuplants.com/pd.asp?pid=1751
  3. ↑ Cite error: Invalid <ref> tag; no text was provided for refs named NRCS
  4. ↑ 4.0 4.1 http://www.mobot.org/gardeninghelp/plantfinder/Plant.asp?Code=A608

External links


Retrieved from "http://gardenology.mywikis.net/w/index.php?title=Jacobaea_maritima&oldid=128815"