Difference between revisions of "Senecio arizonicus"

Greene

Bull. Torrey Bot. Club 10: 87. 1883.

Treatment appears in FNA Volume 20. Treatment on page 555. Mentioned on page 547.
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|elevation=1600–2100 m
 
|elevation=1600–2100 m
 
|distribution=Ariz.
 
|distribution=Ariz.
|discussion=<p>Senecio arizonicus is reputedly in southern New Mexico (W. C. Martin and C. R. Hutchins 1980); that seems unlikely and should be checked.</p>
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|discussion=<p><i>Senecio arizonicus</i> is reputedly in southern New Mexico (W. C. Martin and C. R. Hutchins 1980); that seems unlikely and should be checked.</p>
 
|tables=
 
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|publication year=1883
 
|publication year=1883
 
|special status=
 
|special status=
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/9216fc802291cd3df363fd52122300479582ede7/coarse_grained_fna_xml/V19-20-21/V20_1227.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_1227.xml
 
|tribe=Asteraceae tribe Senecioneae
 
|tribe=Asteraceae tribe Senecioneae
 
|genus=Senecio
 
|genus=Senecio

Revision as of 15:18, 18 September 2019

Perennials, (20–)30–40(–60) cm (rhizomes suberect or weakly spreading). Herbage lanate-arachnose or tomentose, unevenly glabrescent. Stems 1(–2). Leaves (often purplish abaxially) reduced distally; petiolate; blades ovate to subelliptic, (5–)6–10(–15) × (2.5–)3–5(–9) cm, bases tapered or contracted, margins subentire to denticulate (denticles callous; mid and distal leaves bractlike). Heads (2–)5–12(–20) in corymbiform arrays. Calyculi of 2–5+ bractlets (largest to 3 mm). Phyllaries (± 13) ± 21, 5–7 mm, tips green. Ray florets ± 13; corolla laminae 5–10 mm. Cypselae hairy (especially on angles). 2n = 40.


Phenology: Flowering late spring–summer.
Habitat: Openings in pine-oak woodlands
Elevation: 1600–2100 m

Discussion

Senecio arizonicus is reputedly in southern New Mexico (W. C. Martin and C. R. Hutchins 1980); that seems unlikely and should be checked.

Selected References

None.

Lower Taxa

None.