Difference between revisions of "Packera clevelandii"

(Greene) W. A. Weber & Á. Löve

Phytologia 49: 46. 1981.

Common names: Cleveland’s ragwort
Basionym: Senecio clevelandii Greene
Synonyms: Senecio clevelandii var. heterophyllus Hoover
Treatment appears in FNA Volume 20. Treatment on page 582. Mentioned on page 572.
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|elevation=300–700 m
 
|elevation=300–700 m
 
|distribution=Calif.
 
|distribution=Calif.
|discussion=<p>Packera clevelandii is known only from the North Coast Ranges and foothills of the Sierra Nevada on serpentine soils in chaparral communities. It is the only Packera with subsucculent, glaucous herbage.</p>
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|discussion=<p><i>Packera clevelandii</i> is known only from the North Coast Ranges and foothills of the Sierra <i>Nevada</i> on serpentine soils in chaparral communities. It is the only <i>Packera</i> with subsucculent, glaucous herbage.</p>
 
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|publication year=1981
 
|publication year=1981
 
|special status=
 
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|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/9216fc802291cd3df363fd52122300479582ede7/coarse_grained_fna_xml/V19-20-21/V20_1294.xml
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|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/8f726806613d60c220dc4493de13607dd3150896/coarse_grained_fna_xml/V19-20-21/V20_1294.xml
 
|tribe=Asteraceae tribe Senecioneae
 
|tribe=Asteraceae tribe Senecioneae
 
|genus=Packera
 
|genus=Packera

Revision as of 15:19, 18 September 2019

Perennials, 30–80+ cm; taprooted (caudices suberect to erect, stout). Stems usually 1 (sometimes more, clustered), glaucous. Basal leaves (and proximal cauline, relatively thick and turgid) petiolate; blades lanceolate to narrowly oblanceolate, 30–100+ × 10–20+ mm, bases tapering, margins entire or subentire. Cauline leaves gradually reduced (sessile and weakly clasping; lanceolate, entire). Heads 12–20+ in open, corymbiform arrays. Peduncles conspicuously bracteate, glaucous. Calyculi conspicuous. Phyllaries (13) 21, green (tips often purple), glabrous. Ray florets 8–10(–13); corolla laminae 5–7 mm. Disc florets 25–40+; corolla tubes 2–3 mm, limbs 3–4 mm. Cypselae 1–1.5 mm, glabrous; pappi 5–6 mm. 2n = 46.


Phenology: Flowering mid Jun–mid Jul.
Habitat: Rocky, serpentine soils, open, dry, shrubby areas, dry streambeds
Elevation: 300–700 m

Discussion

Packera clevelandii is known only from the North Coast Ranges and foothills of the Sierra Nevada on serpentine soils in chaparral communities. It is the only Packera with subsucculent, glaucous herbage.

Selected References

None.

Lower Taxa

None.