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common sandaster
Scientific Name: Corethrogyne filaginifolia var. filaginifolia
Family: Asteraceae
Category: Dicot
Growth: Subshrub, Forb/herb
Duration: Perennial
Other Names:
Corethrogyne filaginifolia: The Common Sandaster
Corethrogyne filaginifolia, belonging to the daisy family (Asteraceae), is commonly known as the common sandaster. It is also referred to as California aster, whiteleaf sandaster, San Diego Sand Aster, Del Mar Mesa Sand Aster, among other names.
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
Distribution and Habitat
This plant is native to California and has been found in locations such as Oso Flaco Dunes, Guadalupe, San Luis Obispo County, and Santa Cruz County. It is considered regularly occurring in the United States.
Morphological Characteristics and Growth Habits
- Corethrogyne filaginifolia is a perennial herb and subshrub.
- It is an erect-ascending, slender plant that can be glabrous to tomentose (covered in fine hairs).
- The 'Silver Carpet' variety grows to an average height of 12 inches and features purplish-white flowers.
- Blooms in late summer (August through September) with lavender-pink flowers.
Interactions with Other Organisms
- Lace bugs (Corythucha morrilli) have been observed on Common Sandaster.
- It is a host plant for the Gabb's Checkerspot butterfly (Chlosyne gabbii).
Quirky Facts
- The plant has been moved among genera and split into varieties, which is still debated by taxanomists.
- 'Silver Carpet' is a ground cover.