Difference between revisions of "Senecio erucifolius"
Fl. Suec. ed. 2, 291. 1755.
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|place=2, 291. 1755 | |place=2, 291. 1755 | ||
|year=1755 | |year=1755 | ||
| + | }} | ||
| + | |special_status={{Treatment/ID/Special_status | ||
| + | |code=I | ||
| + | |label=Introduced | ||
}} | }} | ||
|basionyms= | |basionyms= | ||
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|elevation=0–200+ m | |elevation=0–200+ m | ||
|distribution=Pa.;Old World. | |distribution=Pa.;Old World. | ||
| + | |introduced=true | ||
|discussion=<p><i>Senecio erucifolius</i> has been introduced occasionally around seaports and has persisted. At present, it appears to be uncommon and highly localized; it should be expected almost any place that its close relative, <i>Senecio jacobaea</i>, occurs.</p><!-- | |discussion=<p><i>Senecio erucifolius</i> has been introduced occasionally around seaports and has persisted. At present, it appears to be uncommon and highly localized; it should be expected almost any place that its close relative, <i>Senecio jacobaea</i>, occurs.</p><!-- | ||
--><p><i>Senecio erucifolius</i> was treated in Jacobaea by E. Wiebe (2000); see discussion under 53. <i>S. jacobaea</i>.</p> | --><p><i>Senecio erucifolius</i> was treated in Jacobaea by E. Wiebe (2000); see discussion under 53. <i>S. jacobaea</i>.</p> | ||
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|publication title=Fl. Suec. ed. | |publication title=Fl. Suec. ed. | ||
|publication year=1755 | |publication year=1755 | ||
| − | |special status= | + | |special status=Introduced |
| − | |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_1281.xml |
|tribe=Asteraceae tribe Senecioneae | |tribe=Asteraceae tribe Senecioneae | ||
|genus=Senecio | |genus=Senecio | ||
Revision as of 20:44, 27 May 2020
Perennials, 30–120 cm (rhizomes branched, sometimes producing stolons). Herbage floccose-tomentose, unevenly glabrescent (persistently hairy on abaxial leaf faces). Stems usually single, sometimes loosely clustered. Leaves ± evenly distributed (basal and proximal sometimes withering before flowering); petiolate (proximal) or sessile; blades ovoid or oblong to spatulate (usually pinnatifid to pinnatisect, lobes ± lanceolate to linear), (3–)5–12 × (1.5–)2–4 cm, bases tapered to ± truncate, ultimate margins (often revolute) dentate or entire. Heads 20–60 in corymbiform arrays. Calyculi of 4–6(–10) bractlets (lengths to 1/2 phyllaries). Phyllaries ± 13, 5–7 mm, tips green or greenish. Ray florets ± 13; corolla laminae 12–15 mm. Cypselae hairy.
Phenology: Flowering summer.
Habitat: Waste grounds
Elevation: 0–200+ m
Distribution
Introduced; Pa., Old World.
Discussion
Senecio erucifolius has been introduced occasionally around seaports and has persisted. At present, it appears to be uncommon and highly localized; it should be expected almost any place that its close relative, Senecio jacobaea, occurs.
Senecio erucifolius was treated in Jacobaea by E. Wiebe (2000); see discussion under 53. S. jacobaea.
Selected References
None.