Compilation
Packera fendleri

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Name

Identification
Packera fendleri (A. Gray) W.A. Weber & Á. Löve [family COMPOSITAE ] (stored under name); Senecio fendleri A. Gray [family COMPOSITAE ]
Related name
  • Packera fendleri
  • Senecio nelsonii
  • Senecio fendleri
Common name
  • Fendler’s ragwort, Flora of North America Vol. 20

Flora

Entry for Packera fendleri (A. Gray) W. A. Weber & Á. Löve [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
Packera fendleri (A. Gray) W. A. Weber & Á. Löve [family COMPOSITAE], Phytologia, 49: 46. 1981
Senecio fendleri A. Gray [family COMPOSITAE], Mem. Amer. Acad. Arts, n. s., 4: 108. 1849
Senecio canovirens Rydberg [family COMPOSITAE]
Senecio fendleri var. molestus Greenman [family COMPOSITAE]
Senecio nelsonii Rydberg [family COMPOSITAE]
Senecio rosulatus Rydberg [family COMPOSITAE]
Senecio salicinus Rydberg [family COMPOSITAE]
Treatment Author(s)
Debra K. Trock
Information
Perennials, 10–40+ cm; rhizomatous (rhizomes horizontal to suberect, branched). Stems 1 or multiple (crowded to subcespitose), floccose-tomentose or glabrescent. Basal leaves petiolate; blades lanceolate to oblanceolate, 30–60+ × 10–30+ mm, bases tapering, margins shallowly, evenly pinnatifid to pinnatisect or wavy (adaxial faces floccose-tomentose or subglabrescent). Cauline leaves gradually reduced (sessile; lanceolate to oblanceolate, pinnatisect to wavy). Heads 6–25+ in open or compact, corymbiform arrays. Peduncles bracteate, densely to irregularly floccose. Calyculi 0 or inconspicuous (bractlets red-tinged). Phyllaries 13, green, 5–7 mm, floccose proximally to glabrescent distally. Ray florets 6–8+; corolla laminae 5–7 mm. Disc florets 30–40+; corolla tubes 2.5–3 mm, limbs, 2.5–3.5 mm. Cypselae 2.5–3 mm, glabrous; pappi 4–5 mm. 2n = 46.
Phenology
may (spring), jun-aug (summer), sep-oct (fall)
Altitude range
1600–3200 m;
Distribution
USA Colo.USA N.Mex.USA Wyo.
Discussion
Packera fendleri is abundant, almost weedy in the southern Rocky Mountains. It thrives in a wide range of elevations and in a wide variety of habitats; flowering times vary. It frequently grows in close association with other species of Packera and may hybridize with them.

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