Corethrogyne filaginifolia

Corethrogyne filaginifolia (syn. Lessingia filaginifolia) is a species of flowering plant in the daisy family known by the common names common sandaster and California aster.

Corethrogyne filaginifolia
Scientific classification
Kingdom:
Plantae
(unranked):
Angiosperms
(unranked):
Eudicots
(unranked):
Asterids
Order:
Asterales
Family:
Asteraceae
Tribe:
Astereae
Genus:
Corethrogyne
Species:
C. filaginifolia
Binomial name
Corethrogyne filaginifolia
Synonyms[1]
Synonymy
  • Aster filaginifolius Hook. & Arn.
  • Aster tomentellus Hook. & Arn.
  • Corethrogyne brevicula Greene
  • Corethrogyne caespitosa Greene
  • Corethrogyne californica DC.
  • Corethrogyne flagellaris Greene
  • Corethrogyne floccosa Greene
  • Corethrogyne incana (Lindl.) Nutt.
  • Corethrogyne lavandulacea Greene
  • Corethrogyne leucophylla (Lindl. ex DC.) Menzies ex Jeps.
  • Corethrogyne linifolia (H.M.Hall) Ferris
  • Corethrogyne obovata Benth.
  • Corethrogyne racemosa Greene
  • Corethrogyne rigida (Benth.) A.Heller
  • Corethrogyne scabra Greene
  • Corethrogyne sessilis Greene
  • Corethrogyne spathulata A.Gray
  • Corethrogyne tomentella (Hook. & Arn.) Torr. & A.Gray
  • Corethrogyne virgata Benth.
  • Corethrogyne viscidula Greene
  • Lessingia filaginifolia (Hook. & Arn.) M.A.Lane

The taxonomy of this plant and certain relatives is currently changing; recently the Corethrogynes have been grouped together under the name Lessingia filaginifolia, and then moved back to genus Corethrogyne as a single species with many synonyms.[2]

It is native to western North America from the southwestern corner of Oregon through California to Baja California, where it is a common member of many plant communities, including chaparral and woodlands, forests, scrub, grasslands, and the serpentine soils flora.[3][4]

Description

Corethrogyne filaginifolia is a robust perennial herb or subshrub producing a simple to multibranched stem approaching 1 metre (3.3 ft) in maximum length or height. The densely woolly leaves are several centimeters long and toothed or lobed low on the stem and smaller farther up the stem.[5]

The inflorescence is a single flower head or array of several heads at the tips of stem branches. The head is lined with narrow, pointed, purple-tipped phyllaries which curl back as the head matures. Inside are many purple, lavender, pink, or white ray florets and a center packed with up to 120 tubular yellow disc florets.[5]

The fruit is an achene with a pappus of reddish bristles on top.[5]

Corethrogyne filaginifolia;
formerly Lessingia filaginifolia var filaginifolia.

References
  1. The Plant List, Corethrogyne filaginifolia (Hook. & Arn.) Nutt.
  2. "Corethrogyne in Flora of North America @ efloras.org". www.efloras.org. Retrieved 2023-08-08.
  3. Biota of North America Program 2014 county distribution map
  4. "Corethrogyne filaginifolia Calflora". www.calflora.org. Retrieved 2023-08-08.
  5. "Corethrogyne filaginifolia in Flora of North America @ efloras.org". www.efloras.org. Retrieved 2023-08-08.

Media related to Corethrogyne filaginifolia at Wikimedia Commons


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