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common sandaster

Scientific Name: Corethrogyne filaginifolia

Family: Asteraceae

Category: Dicot

Growth: Forb/herb, Subshrub

Duration: Perennial

Other Names:

       

Corethrogyne filaginifolia: Common Sandaster

Corethrogyne filaginifolia, also known as common sandaster, California aster, or California sand aster, is a flowering plant belonging to the daisy family (Asteraceae).

Considerations for Pets

  • This plant is described as a subshrub or forb/herb, suggesting it has a relatively soft, non-woody structure.

Taxonomy and Nomenclature

  • Scientific Name: Corethrogyne filaginifolia (Hook. & Arn.) Nutt.
  • Family: Asteraceae (Aster Family)
  • Synonyms:
    • Lessingia filaginifolia
    • Aster tomentellius
    • Aster filaginifolia
    • Aplopappus haenkei
    • Corethrogyne tomentella
    • Corethrogyne filaginifolia tomentillia
  • Varieties:
    • Corethrogyne filaginifolia var. filaginifolia
    • Corethrogyne filaginifolia var. incana
    • Corethrogyne filaginifolia var. californica (DC.) J.P. Saroyan
    • Corethrogyne filaginifolia var bernardina
    • Corethrogyne filaginifolia var filaginifolia

Common Names

  • Common Sandaster
  • California Aster
  • Whiteleaf Sandaster
  • San Diego Sand Aster
  • Del Mar Mesa Sand Aster
  • Cudweed-Aster
  • Woolly Aster
  • California Corethrogyne
  • Sand Aster

Distribution and Habitat

Corethrogyne filaginifolia is native to California and can be found in locations such as Oso Flaco Dunes, Guadalupe, and San Luis Obispo County. It is also found in Santa Cruz County and on Del Mar Mesa. It is described as regularly occurring in the United States.

Morphological Characteristics and Growth Habits

  • It is a perennial subshrub or forb/herb.
  • The plant can grow to an average height of 12 inches.
  • Some varieties, like 'Silver Carpet', feature purplish-white flowers.
  • Blooms in late summer (August-September), featuring lavender-pink flowers.
  • Described as erect-ascending, slender, glabrous to tomentose.

Interactions with Other Organisms

  • The Lace Bug (Corythucha morrilli) has been observed on Corethrogyne filaginifolia.
  • It serves as a host plant for the Gabb's Checkerspot butterfly (Chlosyne gabbii).

Resources

  • Dave's Garden provides information and a community for sharing gardening tips.
  • CalPhotos offers a collection of photos of Corethrogyne filaginifolia.
  • Discover Life provides information on the distribution of California Sandaster.