Difference between revisions of "Senecio ampullaceus"
Bot. Mag. 63: plate 3478. 1836.
Synonyms: Senecio ampullaceus var. floccosus Engelmann & A. Gray Senecio ampullaceus var. glaberrimus Engelmann & A. Gray
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|name=Senecio ampullaceus var. floccosus | |name=Senecio ampullaceus var. floccosus | ||
|authority=Engelmann & A. Gray | |authority=Engelmann & A. Gray | ||
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|name=Senecio ampullaceus var. glaberrimus | |name=Senecio ampullaceus var. glaberrimus | ||
|authority=Engelmann & A. Gray | |authority=Engelmann & A. Gray | ||
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}} | }} | ||
|hierarchy=Asteraceae;Asteraceae tribe Senecioneae;Senecio;Senecio ampullaceus | |hierarchy=Asteraceae;Asteraceae tribe Senecioneae;Senecio;Senecio ampullaceus | ||
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name=Senecio ampullaceus | name=Senecio ampullaceus | ||
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|publication year=1836 | |publication year=1836 | ||
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|tribe=Asteraceae tribe Senecioneae | |tribe=Asteraceae tribe Senecioneae | ||
|genus=Senecio | |genus=Senecio | ||
Revision as of 19:25, 16 December 2019
Annuals, (10–)20–80 cm (roots relatively thin, branching). Herbage loosely arachno-tomentose, unevenly glabrate or glabrescent. Stems single. Leaves progressively reduced distally; petiolate (petioles broadly winged); blades ovate-lanceolate, 3–8(–10) × (1–)1.5–3(–4) cm, bases tapered or ± truncate, margins dentate to subentire (mid leaves subsessile, lanceolate; distal subulate, bractlike). Heads (1–)10–30 in corymbiform arrays. Calyculi of 2–8 bractlets (1–2+ mm). Phyllaries ± 13, (6–)7–10 mm, tips green to grayish. Ray florets ± 8; corolla laminae 8–15 mm. Cypselae hirtellous.
Phenology: Flowering early–mid spring.
Habitat: Open sandy or disturbed sites
Elevation: 100–800 m
Discussion
Senecio ampullaceus has been reported for Arkansas and Missouri (St. Louis). It is similar to S. quaylei.
Selected References
None.
Lower Taxa
None.