Packera neomexicana var. mutabilis

(Greene) W. A. Weber & Á. Löve

Phytologia 49: 47. 1981.

Endemic
Basionym: Senecio mutabilis Greene Pittonia 4: 113. 1900
Synonyms: Senecio metcalfei Greene ex Wooton & Standley Senecio neomexicanus var. mutabilis (Greene) T. M. Barkley Senecio neomexicanus var. metcalfei (Greene ex Wooton & Standley) T. M. Barkley
Treatment appears in FNA Volume 20. Treatment on page 593. Mentioned on page 602.

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: Flowering late Apr–mid Jul.
Habitat: Rocky, well-drained soils, meadows, coniferous woodlands
Elevation: 1800–3000 m

Distribution

V20-1326-distribution-map.gif

Ariz., Colo., N.Mex., 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.

Selected References

None.

Lower Taxa

None.
not tailed +, rounded +  and obtuse +
papillate +
truncate-penicillate +
scarious +
usually ovate +  and lance-linear +
compact corymbiform +  and subumbelliform +
indeterminate +  and determinate +
Debra K. Trock +
(Greene) W. A. Weber & Á. Löve +
tapering +
Senecio mutabilis +
2 cm20 mm <br />0.02 m <br /> (6 cm60 mm <br />0.06 m <br />) +
ovate;lanceolate or narrowly lanceolate +
1 cm10 mm <br />0.01 m <br /> (3 cm30 mm <br />0.03 m <br />) +
winged;nerved;ribbed +
0.15 cm1.5 mm <br />0.0015 m <br /> (0.25 cm2.5 mm <br />0.0025 m <br />) +
pale-yellow +  and deep orange-red +
0.4 cm4 mm <br />0.004 m <br /> (1 cm10 mm <br />0.01 m <br />) +
glabrous +  and hirtellous +
cylindric +
fertile +  and bisexual +
fertile +  and bisexual +
Ariz. +, Colo. +, N.Mex. +  and Utah. +
1800–3000 m +
pistillate +, staminate +  and neuter +
winged +  and beaked +
dispersed +
Rocky, well-drained soils, meadows, coniferous woodlands +
discoid +  and radiate +
in compact or congested to open corymbiform cymiform or subumbelliform , , , arrays +  and singly +
indeterminate +
heterogamous +  and homogamous +
each +  and sessile +
0.5 cm5 mm <br />0.005 m <br /> (1.2 cm12 mm <br />0.012 m <br />) +
campanulate;cylindric +
sessile +  and petiolate +
cauline +  and basal +
erect;recurved +
deltate +
dentate to pinnatifid +  and entire +
dentate +  and subentire +
2-carpellate +
0.5 cm5 mm <br />0.005 m <br /> (0.6 cm6 mm <br />0.006 m <br />) +
Flowering late Apr–mid Jul. +
list +  and count +
tomentose +  and glabrescent +
linear +  and ensiform +
0.4 cm4 mm <br />0.004 m <br /> (0.7 cm7 mm <br />0.007 m <br />) +
bearing subulate enations +, hairy +  and bristly +
conic;usually flat;convex +
exalbuminous +
prostrate +  and ascending +
glabrescent +, arachno-tomentose +  and lanate +
2 +  and 3 +
appendaged +  and truncate +
papillate +
Senecio metcalfei +, Senecio neomexicanus var. mutabilis +  and Senecio neomexicanus var. metcalfei +
Packera neomexicana var. mutabilis +
Packera neomexicana +
variety +
campanulate +
serrate +  and denticulate +
glabrate +  and tomentose +
20 cm200 mm <br />0.2 m <br /> (50 cm500 mm <br />0.5 m <br />) +
vine +, tree +, shrub +  and subshrub +
23 +, 22 +  and 20 +