Compilation
Senecio mutabilis

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Name

Identification
Senecio mutabilis Greene [family COMPOSITAE ] Verified by Not on sheet, Packera neomexicana (A.Gray) W.A.Weber & A.Love [family COMPOSITAE ] (stored under name); Verified by Not on sheet, Senecio mutabilis Greene [family COMPOSITAE ] Verified by Not on sheet,
Related name
  • Packera neomexicana
  • Packera mutabilis
  • Senecio neomexicanus
  • Senecio mutabilis
  • Senecio thurberi

Flora

Entry for Packera neomexicana (A. Gray) W. A. Weber & Á. Löve var. mutabilis (Greene) 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 neomexicana (A. Gray) W. A. Weber & Á. Löve var. mutabilis (Greene) W. A. Weber & Á. Löve [family COMPOSITAE], Phytologia, 49: 47. 1981
Senecio mutabilis Greene [family COMPOSITAE], Pittonia, 4: 113. 1900
Senecio metcalfei Greene ex Wooton & Standley [family COMPOSITAE]
Senecio neomexicanus A. Gray var. mutabilis (Greene) T. M. Barkley [family COMPOSITAE]
Senecio neomexicanus var. metcalfei (Greene ex Wooton & Standley) T. M. Barkley [family COMPOSITAE]
Treatment Author(s)
Debra K. Trock
Information
Perennials, loosely tomentose or glabrate, taprooted (caudices branched or weakly spreading). Stems 1 or 2–3. Basal leaves: blades narrow, bases tapering, margins subentire or irregularly dentate. Cauline leaves conspicuous (abruptly reduced). 2n = 46, 92.
Phenology
apr-may (spring), jun-jul (summer)
Altitude range
1800–3000 m;
Distribution
USA Ariz.USA Colo.USA N.Mex.USA Utah.
Discussion
Variety mutabilis is abundant throughout the Colorado Plateau. It may hybridize with P. tridenticulata, P. streptanthifolia, and P. fendleri. T. M. Barkley (1968, 1980) recognized P. neomexicana var. metcalfei, separating the two on degree and location of dentations on the leaf margins and indicating that var. metcalfei was distributed along the Mogollon rim and var. mutabilis was from north of the Mogollon rim.

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