Difference between revisions of "Senecio lyonii"
in A. Gray et al., Syn. Fl. N. Amer. ed. 2, 1(2): 454. 1886.
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| + | |special_status={{Treatment/ID/Special_status | ||
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| + | |label=Conservation concern | ||
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|publication title=in A. Gray et al., Syn. Fl. N. Amer. ed. | |publication title=in A. Gray et al., Syn. Fl. N. Amer. ed. | ||
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| − | |special status= | + | |special status=Conservation concern |
| − | |source xml=https:// | + | |source xml=https://bibilujan@bitbucket.org/aafc-mbb/fna-data-curation.git/src/bb6b7e3a7de7d3b7888a1ad48c7fd8f5c722d8d6/coarse_grained_fna_xml/V19-20-21/V20_1245.xml |
|tribe=Asteraceae tribe Senecioneae | |tribe=Asteraceae tribe Senecioneae | ||
|genus=Senecio | |genus=Senecio | ||
Revision as of 20:44, 27 May 2020
Subshrubs or shrubs, (20–)40–150 cm (taproots woody). Herbage sparsely hairy, unevenly glabrate (usually with persistent tomentum in leaf axils and on abaxial leaf faces). Stems usually multiple (arching upwards). Leaves evenly distributed (proximal withering before flowering); sessile or obscurely petiolate; blades ± oblong or elliptic, (4–)6–10(–12) × 1.5–3 cm (1–2-pinnatifid, lobes ± linear, 1–2 mm wide), bases ± linear, ultimate margins entire. Heads 4–12 in cymiform arrays (involucres campanulate, 8–15 mm diam.). Calyculi 0 or of 1–3+ (inconspicuous) bractlets. Phyllaries (± 13) ± 21, (5–)6–8 mm, tips minutely black. Ray florets ± 13; corolla laminae 8–10 mm. Cypselae hairy. 2n = 40.
Phenology: Flowering spring.
Habitat: Ocean bluffs, open hillsides
Elevation: 0–500 m
Distribution
Calif., Mexico (Baja California).
Discussion
Of conservation concern.
Senecio lyonii is known from the Channel Islands (off the coast of southern California) and south.
Selected References
None.