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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|accepted_name=Senecio lyonii | |accepted_name=Senecio lyonii | ||
| − | |accepted_authority=A. Gray | + | |accepted_authority=A. Gray |
|publications={{Treatment/Publication | |publications={{Treatment/Publication | ||
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name=Senecio lyonii | name=Senecio lyonii | ||
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|rank=species | |rank=species | ||
|parent rank=genus | |parent rank=genus | ||
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|publication year=1886 | |publication year=1886 | ||
|special status=Conservation concern | |special status=Conservation concern | ||
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|tribe=Asteraceae tribe Senecioneae | |tribe=Asteraceae tribe Senecioneae | ||
|genus=Senecio | |genus=Senecio | ||
Latest revision as of 19:59, 5 November 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.