Packera pseudaurea var. pseudaurea

Endemic
Synonyms: Senecio pauciflorus var. jucundulus
Treatment appears in FNA Volume 20. Treatment on page 597.

Plants 50–70+ cm (robust). Basal leaves: petiole lengths 1–1.5 times blades; blades broadly lanceolate to subhastate, 40–80+ × 30–40+ mm, margins sharply dentate. Heads 12–20 in open, corymbiform to cymiform arrays. Phyllaries 7–8 mm. 2n = 40, 44, 80.


Phenology: Flowering early Jul–mid Aug.
Habitat: Damp stream banks, wet meadows, open, wet woodlands
Elevation: 900–2400 m

Distribution

V20-1337-distribution-map.gif

Alta., B.C., Sask., Calif., Idaho, Mont., Nev., Oreg., Wash., Wyo.

Discussion

Plants of var. pseudaurea are much larger and more robust than those of the other two varieties and are distributed throughout the northern Rocky Mountains, the Cascades, and the northern Sierra Nevada, and the Jarbridge and Ruby mountains of Elko County, Nevada. Variety pseudaurea is the most abundant of the three varieties and is seldom confused with any other species.

Selected References

None.

Lower Taxa

None.

"-1.5timesblades" is not declared as a valid unit of measurement for this property.

80 +, 44 +  and 40 +
not tailed +, rounded +  and obtuse +
papillate +
truncate-penicillate +
scarious +
usually ovate +  and lance-linear +
corymbiform +  and cymiform +
indeterminate +  and determinate +
Debra K. Trock +
(Rydberg) W. A. Weber & Á. Löve +
truncate +  and subcordate or obtuse +
Senecio pseudaureus +
4 cm40 mm <br />0.04 m <br /> (8 cm80 mm <br />0.08 m <br />) +
broadly lanceolate;subhastate +
3 cm30 mm <br />0.03 m <br /> (4 cm40 mm <br />0.04 m <br />) +
winged;nerved;ribbed +
inconspicuous +
0.25 cm2.5 mm <br />0.0025 m <br /> (0.35 cm3.5 mm <br />0.0035 m <br />) +
pale-yellow +  and deep orange-red +
0.6 cm6 mm <br />0.006 m <br /> (1 cm10 mm <br />0.01 m <br />) +
cylindric +
fertile +  and bisexual +
fertile +  and bisexual +
Alta. +, B.C. +, Sask. +, Calif. +, Idaho +, Mont. +, Nev. +, Oreg. +, Wash. +  and Wyo. +
900–2400 m +
pistillate +, staminate +  and neuter +
winged +  and beaked +
dispersed +
Damp stream banks, wet meadows, open, wet 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 +
denticulate +  and crenate +
2-carpellate +
0.45 cm4.5 mm <br />0.0045 m <br /> (0.55 cm5.5 mm <br />0.0055 m <br />) +
Flowering early Jul–mid Aug. +
linear +  and ensiform +
0.7 cm7 mm <br />0.007 m <br /> (0.8 cm8 mm <br />0.008 m <br />) +
bearing subulate enations +, hairy +  and bristly +
conic;usually flat;convex +
exalbuminous +
prostrate +  and ascending +
tomentose +  and glabrous +
2 +  and 4 +
appendaged +  and truncate +
papillate +
Senecio pauciflorus var. jucundulus +
Packera pseudaurea var. pseudaurea +
Packera pseudaurea +
variety +
campanulate +
serrate +  and denticulate +
20 cm200 mm <br />0.2 m <br /> (70 cm700 mm <br />0.7 m <br />) +
23 +, 22 +  and 20 +