Difference between revisions of "Senecio cannabifolius"
Linnaea 6: 242. 1831.
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|name=Jacobaea cannabifolia | |name=Jacobaea cannabifolia | ||
|authority=(Lessing) E. Wiebe | |authority=(Lessing) E. Wiebe | ||
| − | }}{{Treatment/ID/Synonym | + | }} {{Treatment/ID/Synonym |
|name=Senecio palmatus | |name=Senecio palmatus | ||
|authority=Pallas ex Ledebour | |authority=Pallas ex Ledebour | ||
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|elevation=0–100 m | |elevation=0–100 m | ||
|distribution=Alaska;Eurasia. | |distribution=Alaska;Eurasia. | ||
| − | |discussion=<p>Senecio cannabifolius barely enters the flora from far-eastern Asia. Infraspecific taxa are recognized within S. cannabifolius in some floras of Asiatic regions; our plants are referable to var. cannabifolius.</p><!-- | + | |discussion=<p><i>Senecio cannabifolius</i> barely enters the flora from far-eastern Asia. Infraspecific taxa are recognized within <i>S. cannabifolius</i> in some floras of Asiatic regions; our plants are referable to var. cannabifolius.</p><!-- |
| − | --><p>Senecio cannabifolius has been treated in Jacobaea by E. Wiebe (2000); see discussion under 53. S. jacobaea.</p> | + | --><p><i>Senecio cannabifolius</i> has been treated in Jacobaea by E. Wiebe (2000); see discussion under 53. <i>S. jacobaea</i>.</p> |
|tables= | |tables= | ||
|references= | |references= | ||
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|publication year=1831 | |publication year=1831 | ||
|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_1280.xml |
|tribe=Asteraceae tribe Senecioneae | |tribe=Asteraceae tribe Senecioneae | ||
|genus=Senecio | |genus=Senecio | ||
Revision as of 15:19, 18 September 2019
Perennials, (50–)100–150+ cm (rhizomes fibrous-rooted). Herbage unevenly tomentose, glabrescent, except persistently hairy on abaxial faces of leaves. Stems single. Leaves ± evenly distributed (basal and proximal withering before flowering); mostly petiolate (proximal); blades oblong or ovate to oblong-lanceolate (pinnately or subpalmately parted, primary lobes 3–6+, lanceolate to lance-linear, 3–8+ cm), 10–20+ × 8–15+ cm, bases ± tapered, ultimate margins serrate (distal leaves similar, sessile, smaller). Heads 20–50 in corymbiform arrays. Calyculi 0 or of 1–5+ subulate bractlets (lengths about 1/3 phyllaries). Phyllaries ± 13, 4–6 mm, tips green. Ray florets ± 5; corolla laminae ca. 10 mm. Cypselae glabrous. 2n = 40.
Phenology: Flowering summer.
Habitat: Open meadows and slopes
Elevation: 0–100 m
Distribution
Alaska, Eurasia.
Discussion
Senecio cannabifolius barely enters the flora from far-eastern Asia. Infraspecific taxa are recognized within S. cannabifolius in some floras of Asiatic regions; our plants are referable to var. cannabifolius.
Senecio cannabifolius has been treated in Jacobaea by E. Wiebe (2000); see discussion under 53. S. jacobaea.
Selected References
None.