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crownscale

Scientific Name: Atriplex coronata var. notatior

Family: Chenopodiaceae

Category: Dicot

Growth: Forb/herb

Duration: Annual

Other Names:

       

Atriplex coronata

Atriplex coronata is a species of saltbush, also known by the common name crownscale.

Taxonomy and Nomenclature

  • Scientific Name: Atriplex coronata S. Watson
  • Family: Chenopodiaceae (Goosefoot family)

A notable infraspecific taxon is: Atriplex coronata var. notatior (San Jacinto Valley crownscale), sometimes listed as Atriplex coronata S. Watson var. notatior.

Considerations for Pets

This plant is described as a "small, scrubby plant with a tangle of grayish leaves," and it is bushy and erect. While the text does not indicate toxicity, the plant's physical characteristics and presence in specific habitats might warrant caution around pets that tend to ingest plant material.

Distribution and Habitat

  • Atriplex coronata is endemic to specific regions.
  • Atriplex coronata var. notatior, specifically, is endemic to the San Jacinto Valley in California.
  • It is associated with habitats within the jurisdiction of the Carlsbad Fish and Wildlife Office (CFWO).

Morphological Characteristics

  • The San Jacinto Valley crownscale (Atriplex coronata var. notatior) is a bushy, erect annual plant, typically 4 to 12 inches tall.
  • It is described as a gray-scurfy annual.
  • Lost Hills crownscale has short stems with few branches.

Conservation Status

  • The San Jacinto Valley Crownscale (Atriplex coronata var. notatior) is on the U.S. Endangered Species List and is classified as endangered in California.

Ecology and Interactions

  • The plant's stomatal conductance has been studied in arid vineyard environments.
  • Fiorinia coronata, a scale insect, is a known pest. It is polyphagous and native to South East Asia.
  • Studies have examined the plant's spectral reflectance and how it varies, which is relevant for tree species classification using aerial data.

Quirky Facts

  • The text mentions that most would admit the San Jacinto Valley crownscale "won't be winning any beauty contests," emphasizing its unassuming appearance.

Further Information

  • Observations of the San Jacinto Valley crownscale can be viewed online.
  • Photos of Atriplex coronata vallicola are available on Flickr, though none are currently tagged with that specific name.