Compilation
Senecio ertterae

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Name

Identification
Isotype of Senecio ertterae T.M.Barkley [family ASTERACEAE ] (stored under name);
Related name
  • Senecio barbarae
  • Senecio ertterae

Flora

Entry for Senecio ertterae T. M. Barkley [family COMPOSITAE]
Herbarium
Flora of North America (FNA)
Collection
Flora of North America
Resource Type
Reference Sources
Entry From
Flora of North America, Vol 20,
Names
Senecio ertterae T. M. Barkley [family COMPOSITAE], in N. L. Britton et al., N. Amer. Fl., ser., 2, 10: 124. 1978
Treatment Author(s)
Theodore M. Barkley†
Information
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.
Conservation Status
of conservation concern;
Phenology
jun-aug (summer), sep-nov (fall)
Altitude range
900–1200 m;
Distribution
USA Oreg.
Discussion
Senecio erterrae is in the Center for Plant Conservation’s National Collection of Endangered Plants.

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