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]

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.
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References
  1. The Plant List, Corethrogyne filaginifolia (Hook. & Arn.) Nutt.
  2. Flora of North America: Corethrogyne
  3. Biota of North America Program 2014 county distribution map
  4. Calflora taxon report, University of California, Corethrogyne filaginifolia (Hook. & Arn.) Nutt., common sandaster
  5. Flora of North America: Corethrogyne filaginifolia

Media related to Corethrogyne filaginifolia at Wikimedia Commons


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