Difference between revisions of "Senecio ertterae"
in N. L. Britton et al., N. Amer. Fl., ser. 2, 10: 124. 1978.
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|distribution=Oreg. | |distribution=Oreg. | ||
|discussion=<p>Of conservation concern.</p><!-- | |discussion=<p>Of conservation concern.</p><!-- | ||
− | --><p>Senecio erterrae is in the Center for Plant Conservation’s National Collection of Endangered Plants.</p> | + | --><p><i>Senecio</i> erterrae is in the Center for Plant Conservation’s National Collection of Endangered Plants.</p> |
|tables= | |tables= | ||
|references= | |references= | ||
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|publication year=1978 | |publication year=1978 | ||
|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_1251.xml |
|tribe=Asteraceae tribe Senecioneae | |tribe=Asteraceae tribe Senecioneae | ||
|genus=Senecio | |genus=Senecio |
Revision as of 16:18, 18 September 2019
Annuals, 20–50(–60+) cm (taproots relatively thin, twisted). Herbage (± turgid or subsucculent) unevenly villous-tomentose, glabrescent. Stems usually single, rarely clustered. Leaves progressively reduced distally (basal usually withering before flowering); petiolate (petioles winged); blades oblanceolate to spatulate, 4–7 × 1.5–3 cm, bases tapered, margins incised (distal leaves sessile, bractlike). Heads 6–10(–20) in cymiform arrays. Calyculi of 1–5+ linear to subulate bractlets (to 4 mm). Phyllaries ± 13, 6–7 mm, tips green. Ray florets ± 8 (± 13?); corolla laminae 5–6 mm. Cypselae usually hairy (especially on angles), sometimes glabrous. 2n = 40.
Phenology: Flowering late summer–early fall.
Habitat: Talus slopes of greenish yellow ash tuff
Elevation: 900–1200 m
Discussion
Of conservation concern.
Senecio erterrae is in the Center for Plant Conservation’s National Collection of Endangered Plants.
Selected References
None.