Ericameria resinosa

Ericameria resinosa, the Columbia goldenweed,[3] or Columbia goldenbush,[4] is a North American species of flowering shrubs in the family Asteraceae. It is native to the northwestern part of the United States, in the states of Washington, Oregon, and Idaho.[5][6]

Ericameria resinosa
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Asterids
Order: Asterales
Family: Asteraceae
Genus: Ericameria
Species:
E. resinosa
Binomial name
Ericameria resinosa
Synonyms[1]
  • Chrysothamnus resinosus (Nutt.) Howell
  • Haplopappus resinosus (Nutt.) A.Gray
  • Aplopappus resinosus (Nutt.) A.Gray[2]

Ericameria resinosa is a shrub up to 50 cm (20 inches) tall. It has thread-like or narrowly oblanceolate leaves up to 25 mm (1 inch) long, with resinous glands on the surface. Flower heads are white, with 10–15 disc florets and 0–7 ray florets.[7][8] Its habitats include rocky plains, steep hillsides, and rocky cliffs.[8]

  • rayless flower
    rayless flower
  • rayless flower side view
    rayless flower side view

References
  1. The Plant List, Ericameria resinosa Nutt.
  2. Gray, Asa 1876. in Brewer, William Henry et al., Geological Survey of California, Botany 1: 310-314 description in English, as #10, Aplopappus resinosus
  3. Turner Photographics, Asteraceae Ericameria resinosa, Columbia Goldenweed photo, description, partial distribution map
  4. USDA, NRCS (n.d.). "Ericameria resionosa". The PLANTS Database (plants.usda.gov). Greensboro, North Carolina: National Plant Data Team. Retrieved 23 June 2015.
  5. Biota of North America Program 2014 county distribution map
  6. Paul Slichter, Shrub-like Members of the Sunflower Family in the Columbia River Gorge of Oregon and Washington, Columbian Goldenbush, Columbia Goldenweed, Columbian Heath Goldenrod, Gnarled Goldenweed Ericameria resinosa photos, description, ecological information
  7. Multnomah Falls Wildflowers - Wildflower Search, Ericameria resinosa photos and distribution map
  8. Flora of North America, Ericameria resinosa Nuttall, Trans. Amer. Philos. Soc., n. s. 7: 319. 1840. Columbian goldenbush, Columbia goldenweed

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