Difference between revisions of "Senecio actinella"
Bull. Torrey Bot. Club 10: 87. 1883.
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|name=Senecio actinella var. mogollonicus | |name=Senecio actinella var. mogollonicus | ||
|authority=(Greene) Greenman | |authority=(Greene) Greenman | ||
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}} {{Treatment/ID/Synonym | }} {{Treatment/ID/Synonym | ||
|name=Senecio mogollonicus | |name=Senecio mogollonicus | ||
− | |authority= | + | |authority= |
+ | |rank=species | ||
}} | }} | ||
|hierarchy=Asteraceae;Asteraceae tribe Senecioneae;Senecio;Senecio actinella | |hierarchy=Asteraceae;Asteraceae tribe Senecioneae;Senecio;Senecio actinella | ||
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name=Senecio actinella | name=Senecio actinella | ||
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|authority=Greene | |authority=Greene | ||
|rank=species | |rank=species | ||
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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/ | + | |source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/eaa6e58056e40c9ef614d8f47aea294977a1a5e9/coarse_grained_fna_xml/V19-20-21/V20_1219.xml |
|tribe=Asteraceae tribe Senecioneae | |tribe=Asteraceae tribe Senecioneae | ||
|genus=Senecio | |genus=Senecio |
Revision as of 20:25, 16 December 2019
Perennials, (7–)20–30(–40+) cm (rhizomes exfoliating). Herbage densely lanate-tomentose, glabrescent (especially on adaxial faces of leaves). Stems single. Leaves mostly basal; petiolate; blades narrowly obovate, (2–)3–7(–10) × 1–2(–3+) cm, bases tapered, margins subentire to denticulate (cauline leaves bractlike). Heads 1(–3). Calyculi of (1–)5–8+ linear to filiform bractlets (lengths 1/3–3/4 phyllaries). Phyllaries ± 21, 8–12 mm, tips greenish (with white bristles). Ray florets ± 13; corolla laminae usually 8–10 mm (sometimes tubular, unexpanded, heads then perhaps technically disciform). Cypselae hairy.
Phenology: Flowering summer.
Habitat: In duff, rocky woodlands, especially in pine-dominated areas
Elevation: 2000–3000 m
Distribution
![V20-1219-distribution-map.gif](/w/images/a/a4/V20-1219-distribution-map.gif)
Ariz., N.Mex., Mexico (Chihuahua, Durango).
Discussion
Plants of Senecio actinella with relatively small proximal leaves similar to basal leaves and adaxial leaf faces early glabrate have been recognized as var. mogollonicus; the distinction is difficult to maintain. Receptacles in Senecio actinella are sometimes insect-infested.
Selected References
None.