Difference between revisions of "Senecio wootonii"
Bull. Torrey Bot. Club 25: 122, plate 331, figs. 1, 2. 1898.
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|elevation=2000–3500 m | |elevation=2000–3500 m | ||
|distribution=Ariz.;Colo.;N.Mex.;Tex.;Mexico. | |distribution=Ariz.;Colo.;N.Mex.;Tex.;Mexico. | ||
| − | |discussion=<p>Senecio wootonii reaches its southern limit in Coahuila and Chihuahua, Mexico; farther south, it is replaced by S. toluccanus de Candolle, a similar, larger, more robust species.</p> | + | |discussion=<p><i>Senecio wootonii</i> reaches its southern limit in Coahuila and Chihuahua, Mexico; farther south, it is replaced by S. toluccanus de Candolle, a similar, larger, more robust species.</p> |
|tables= | |tables= | ||
|references= | |references= | ||
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|publication year=1898 | |publication year=1898 | ||
|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_1224.xml |
|tribe=Asteraceae tribe Senecioneae | |tribe=Asteraceae tribe Senecioneae | ||
|genus=Senecio | |genus=Senecio | ||
Revision as of 16:18, 18 September 2019
Perennials, (15–)20–45(–60) cm (caudices erect or weakly spreading). Herbage nearly always glaucous, glabrous. Stems single or clustered. Leaves (thickish and turgid) progressively reduced distally; petiolate; blades ovate or obovate to lanceolate, 4–9(–15+) × 1.5–3(–4+) cm, bases tapered, margins wavy or subentire (often with callous denticles; mid and distal leaves sessile, bractlike). Heads (3–)8–24+ in corymbiform arrays. Calyculi of 1–3+ oblong to lance-linear bractlets (less than 3 mm). Phyllaries ± 13 (± 21), 6–9 mm, tips green to brownish (not blackened). Ray florets 8–10; corolla laminae 4–10 mm. Cypselae glabrous. 2n = 40.
Phenology: Flowering spring–summer.
Habitat: Damp or drying sites, often in rocky, moderately disturbed sites
Elevation: 2000–3500 m
Distribution
Ariz., Colo., N.Mex., Tex., Mexico.
Discussion
Senecio wootonii reaches its southern limit in Coahuila and Chihuahua, Mexico; farther south, it is replaced by S. toluccanus de Candolle, a similar, larger, more robust species.
Selected References
None.