Packera spellenbergii

(T. M. Barkley) C. Jeffrey

Kew Bull. 47: 101. 1992.

Common names: Carrizo Creek ragwort
EndemicConservation concern
Basionym: Senecio spellenbergii T. M. Barkley Phytologia 67: 248, fig. 5. 1989
Synonyms: Senecio cliffordii N. D. Atwood & S. L. Welsh
Treatment appears in FNA Volume 20. Treatment on page 599. Mentioned on page 576.

Perennials, 3–6+ cm; fibrous-rooted and/or rhizomatous (bases coarse, weakly creeping or suberect). Stems usually 1, sometimes 2, densely tomentose (at least proximally), becoming glabrate distally. Basal leaves (relatively leathery) sessile; blades linear, 10–15+ × 1–2 mm, margins entire (revolute). Cauline leaves abruptly reduced (linear, bractlike). Heads 1 (–2). Peduncles bracteate, tomentose or glabrate. Calyculi conspicuous. Phyllaries 13, purple to deep reddish purple, 6–9+ mm, hairy or glabrescent. Ray-florets 0 or 5–8; corolla laminae 4–7 mm. Disc-florets 30–40+; corolla-tubes 2.5–3.5 mm, limbs 3.5–4 mm. Cypselae 3–3.5 mm, hirtellous; pappi 5–6 mm.


Phenology: Flowering mid Apr–mid May.
Habitat: Calcareous soils, sparsely vegetated areas of short-grass prairies
Elevation: 1600–2200 m

Discussion

Of conservation concern.

Packera spellenbergii is known only from Harding and Union counties, New Mexico, and Kane County, Utah. The plants are succulent, have deeply cyanic herbage, and conspicuously revolute leaves.

Selected References

None.

Lower Taxa

None.
... more about "Packera spellenbergii"
not tailed +, rounded +  and obtuse +
papillate +
truncate-penicillate +
scarious +
usually ovate +  and lance-linear +
congested +  and open corymbiform cymiform or subumbelliform +
indeterminate +  and determinate +
Debra K. Trock +
(T. M. Barkley) C. Jeffrey +
decurrent +
Senecio spellenbergii +
1 cm10 mm <br />0.01 m <br /> (1.5 cm15 mm <br />0.015 m <br />) +
spatulate;reniform;spatulate;reniform;ovate;orbiculate;lyrate;linear;lanceolate;elliptic +
0.1 cm1 mm <br />0.001 m <br /> (0.2 cm2 mm <br />0.002 m <br />) +
winged;nerved;ribbed +
Carrizo Creek ragwort +
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 +
0.4 cm4 mm <br />0.004 m <br /> (0.7 cm7 mm <br />0.007 m <br />) +
cylindric +
fertile +  and bisexual +
fertile +  and bisexual +
N.Mex. +  and Utah. +
1600–2200 m +
pistillate +, staminate +  and neuter +
winged +  and beaked +
dispersed +
Calcareous soils, sparsely vegetated areas of short-grass prairies +
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 +
2-carpellate +
0.5 cm5 mm <br />0.005 m <br /> (0.6 cm6 mm <br />0.006 m <br />) +
glabrate +  and tomentose +
Flowering mid Apr–mid May. +
purple +  and deep reddish purple +
glabrescent +  and hairy +
linear +  and ensiform +
0.6 cm6 mm <br />0.006 m <br /> (0.9 cm9 mm <br />0.009 m <br />) +
bearing subulate enations +, hairy +  and bristly +
conic;usually flat;convex +
exalbuminous +
Endemic +  and Conservation concern +
prostrate +  and ascending +
glabrate +  and tomentose +
2 +  and 1 +
appendaged +  and truncate +
papillate +
Senecio cliffordii +
Packera spellenbergii +
species +
campanulate +
serrate +  and denticulate +
rhizomatous +  and fibrous-rooted +
3 cm30 mm <br />0.03 m <br /> (6 cm60 mm <br />0.06 m <br />) +
vine +, tree +, shrub +  and subshrub +
23 +, 22 +  and 20 +