Difference between revisions of "Senecio triangularis"
Fl. Bor.-Amer. 1: 332, plate 115. 1834.
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|name=Senecio gibbonsii | |name=Senecio gibbonsii | ||
|authority=Greene | |authority=Greene | ||
| − | }}{{Treatment/ID/Synonym | + | }} {{Treatment/ID/Synonym |
|name=Senecio saliens | |name=Senecio saliens | ||
|authority=Rydberg | |authority=Rydberg | ||
| − | }}{{Treatment/ID/Synonym | + | }} {{Treatment/ID/Synonym |
|name=Senecio triangularis var. angustifolius | |name=Senecio triangularis var. angustifolius | ||
|authority=G. N. Jones | |authority=G. N. Jones | ||
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|elevation=100–3300 m | |elevation=100–3300 m | ||
|distribution=Alta.;B.C.;N.W.T.;Yukon;Alaska;PH;Ariz.;Calif.;Colo.;Idaho;Mont.;Nev.;N.Mex.;Oreg.;Wash.;Wyo. | |distribution=Alta.;B.C.;N.W.T.;Yukon;Alaska;PH;Ariz.;Calif.;Colo.;Idaho;Mont.;Nev.;N.Mex.;Oreg.;Wash.;Wyo. | ||
| − | |discussion=<p>Plants of Senecio triangularis with narrow, subentire leaves that taper to the petioles are occasionally encountered in acid bogs in Oregon and Washington and less frequently elsewhere. They are regarded as edaphic variants; they have been recognized as var. angustifolius.</p> | + | |discussion=<p>Plants of <i>Senecio triangularis</i> with narrow, subentire leaves that taper to the petioles are occasionally encountered in acid bogs in Oregon and Washington and less frequently elsewhere. They are regarded as edaphic variants; they have been recognized as <i></i>var.<i> angustifolius</i>.</p> |
|tables= | |tables= | ||
|references= | |references= | ||
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|publication year=1834 | |publication year=1834 | ||
|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/8f726806613d60c220dc4493de13607dd3150896/coarse_grained_fna_xml/V19-20-21/V20_1268.xml |
|tribe=Asteraceae tribe Senecioneae | |tribe=Asteraceae tribe Senecioneae | ||
|genus=Senecio | |genus=Senecio | ||
Revision as of 15:19, 18 September 2019
Perennials, (20–)50–120(–200) cm (caudices branched, ± woody). Herbage glabrous or sparsely floccose-tomentose when young. Stems single or loosely clustered. Leaves evenly distributed; petiolate; blades narrowly triangular, (3–)4–10+ × 2–6 cm, bases usually ± truncate, sometimes tapered, margins usually dentate, rarely subentire (distal leaves subsessile, smaller). Heads 10–30(–60) in corymbiform to subracemiform arrays. Calyculi of 2–6 bractlets (rarely more than 2 mm). Phyllaries (± 8) ± 13 (± 21), 6–10 mm, tips usually green, rarely black. Ray florets ± 8; corolla laminae 9–15 mm. Cypselae glabrous. 2n = 40, 80.
Phenology: Flowering summer.
Habitat: Damp places, open woodlands, especially rocky stream banks in coniferous forests
Elevation: 100–3300 m
Distribution
Alta., B.C., N.W.T., Yukon, Alaska, PH, Ariz., Calif., Colo., Idaho, Mont., Nev., N.Mex., Oreg., Wash., Wyo.
Discussion
Plants of Senecio triangularis with narrow, subentire leaves that taper to the petioles are occasionally encountered in acid bogs in Oregon and Washington and less frequently elsewhere. They are regarded as edaphic variants; they have been recognized as var. angustifolius.
Selected References
None.