Difference between revisions of "Senecio lyonii"

A. Gray in A. Gray et al.

in A. Gray et al., Syn. Fl. N. Amer. ed. 2, 1(2): 454. 1886.

Conservation concern
Treatment appears in FNA Volume 20. Treatment on page 560. Mentioned on page 548.
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name=Senecio lyonii
 
name=Senecio lyonii
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|publication title=in A. Gray et al., Syn. Fl. N. Amer. ed.
 
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|publication year=1886
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|special status=Conservation concern
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|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

V20-1245-distribution-map.gif

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.

Lower Taxa

None.