Difference between revisions of "Packera macounii"

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'''Common name:''' Siskiyou Mountains ragwort.
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'''Abbreviation Code (Codon):''' PAMA
 
== '''''Packera macounii''''' ==
 
== '''''Packera macounii''''' ==
  
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"''Packera macounii'' is a species of flowering plant in the aster family known by the common name Siskiyou Mountains ragwort. It is native to the west coast of North America from British Columbia to far northern California, where it grows in chaparral and mountain forests, often on serpentine soils.
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"''Packera macounii'' is a species of flowering plant in the aster family known by the common name Siskiyou Montain ragwort. It is native to the west coast of North America from British Columbia to far northern California, where it grows in chaparral and mountain forests, often on serpentine soils.
 
It is a perennial herb producing a single erect stem up to 40 or 50 centimeters in maximum height from a taproot and branching caudex unit. It is slightly hairy to quite woolly in texture. The leaves have lance-shaped blades several centimeters long which are borne on long petioles. The inflorescence holds several flower heads containing many disc florets and usually either 8 or 13 yellow ray florets each about a centimeter long." <ref name="Wikipedia">Wikipedia Foundation</ref>
 
It is a perennial herb producing a single erect stem up to 40 or 50 centimeters in maximum height from a taproot and branching caudex unit. It is slightly hairy to quite woolly in texture. The leaves have lance-shaped blades several centimeters long which are borne on long petioles. The inflorescence holds several flower heads containing many disc florets and usually either 8 or 13 yellow ray florets each about a centimeter long." <ref name="Wikipedia">Wikipedia Foundation</ref>
  
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Packera macounii (Greene) W.A. Weber & Á. Löve
 
Packera macounii (Greene) W.A. Weber & Á. Löve
  
Synonyms:
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'''Synonyms:''' Senecio ligulifolius Greene, Senecio macounii Greene
        SELI8 Senecio ligulifolius Greene
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SEMA Senecio macounii Greene
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== Description ==
 
== Description ==
 
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=== Flowers & Bloom Period===
 
=== Flowers & Bloom Period===
  
[[File:PAMA.jpg|thumb|100px|left|Herbarium specimen of Siskiyou mountain ragweed from Jepson Herbarium]]
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[[File:PAMA.jpg|thumb|100px|right|Herbarium specimen of Siskiyou mountain ragweed from Jepson Herbarium]]
  
 
=== Fruit ===
 
=== Fruit ===

Latest revision as of 10:45, 28 May 2012

Common name: Siskiyou Mountains ragwort.

Abbreviation Code (Codon): PAMA

Packera macounii


"Packera macounii is a species of flowering plant in the aster family known by the common name Siskiyou Montain ragwort. It is native to the west coast of North America from British Columbia to far northern California, where it grows in chaparral and mountain forests, often on serpentine soils. It is a perennial herb producing a single erect stem up to 40 or 50 centimeters in maximum height from a taproot and branching caudex unit. It is slightly hairy to quite woolly in texture. The leaves have lance-shaped blades several centimeters long which are borne on long petioles. The inflorescence holds several flower heads containing many disc florets and usually either 8 or 13 yellow ray florets each about a centimeter long." [1]

Taxonomy

Packera macounii (Greene) W.A. Weber & Á. Löve

Synonyms: Senecio ligulifolius Greene, Senecio macounii Greene


Description


General

Leaves

Flowers & Bloom Period

Herbarium specimen of Siskiyou mountain ragweed from Jepson Herbarium

Fruit

Seed


Seeds of Siskiyou Mountain ragweed

Photo by Lisa Hintz

Distribution


  • United States:
  • Elsewhere:

Habitat


Uses


Propagation


Photo Gallery


References


  1. Wikipedia Foundation

External Links


Siskiyou Mountain ragwort USDA Plants Database page

Integrated Taxonomic Information System

Jepson Manual Treatment