Packera bernardina

(Greene) W. A. Weber & Á. Löve

Phytologia 49: 45. 1981.

Common names: San Bernardino ragwort
EndemicConservation concern
Basionym: Senecio bernardinus Greene Pittonia 3: 298. 1898
Synonyms: Senecio bernardinus var. sparsilobatus (Parish) Greenman Senecio ionophyllus var. bernardinus (Greene) H. M. Hall Senecio ionophyllus var. sparsilobatus (Parish) H. M. Hall Senecio sparsilobatus
Treatment appears in FNA Volume 20. Treatment on page 579. Mentioned on page 577.

Perennials, 15–30+ cm; fibrous-rooted (caudices branched, erect to suberect). Stems 1 (per rosette, rosettes clustered), lanate-tomentose to glabrescent. Basal leaves (and proximal cauline) petiolate; blades obovate to broadly spatulate, 5–20+ × 10–15 mm, bases tapering, margins subentire or dentate apically (faces lanate-tomentose to glabrescent). Cauline leaves gradually reduced (sessile; spatulate to linear, densely tomentose). Heads 2–8+ in compact cymiform arrays. Peduncles bracteate, densely lanate-tomentose. Calyculi 0. Phyllaries 13 or 21, green, 6–8 mm, lanate-tomentose, glabrate distally. Ray-florets 8 or 13; corolla laminae 8–10 mm. Disc-florets 35–50+; corolla-tubes 2–2.5 mm, limbs 2–2.5 mm. Cypselae 0.75–1 mm, glabrous or hispid on ribs; pappi 3–4 mm. 2n = 46.


Phenology: Flowering late May–late Jul.
Habitat: Dry rocky slopes, duff of pine forests
Elevation: 1700–2200 m

Discussion

Of conservation concern.

Packera bernardina is known only from the San Bernardino Mountains and has been collected most frequently from Bear Valley.

Selected References

None.

Lower Taxa

None.
... more about "Packera bernardina"
not tailed +, rounded +  and obtuse +
papillate +
truncate-penicillate +
scarious +
usually ovate +  and lance-linear +
indeterminate +  and determinate +
Debra K. Trock +
(Greene) W. A. Weber & Á. Löve +
tapering +
Senecio bernardinus +
0.5 cm5 mm <br />0.005 m <br /> (2 cm20 mm <br />0.02 m <br />) +
obovate;broadly spatulate +
1 cm10 mm <br />0.01 m <br /> (1.5 cm15 mm <br />0.015 m <br />) +
winged;nerved;ribbed +
San Bernardino ragwort +
0.2 cm2 mm <br />0.002 m <br /> (0.25 cm2.5 mm <br />0.0025 m <br />) +
pale-yellow +  and deep orange-red +
0.8 cm8 mm <br />0.008 m <br /> (1 cm10 mm <br />0.01 m <br />) +
hispid +  and glabrous +
cylindric +
fertile +  and bisexual +
fertile +  and bisexual +
1700–2200 m +
pistillate +, staminate +  and neuter +
winged +  and beaked +
dispersed +
Dry rocky slopes, duff of pine forests +
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 +
0.3 cm3 mm <br />0.003 m <br /> (0.4 cm4 mm <br />0.004 m <br />) +
lanate-tomentose +
Flowering late May–late Jul. +
glabrate +  and lanate-tomentose +
linear +  and ensiform +
0.6 cm6 mm <br />0.006 m <br /> (0.8 cm8 mm <br />0.008 m <br />) +
bearing subulate enations +, hairy +  and bristly +
conic;usually flat;convex +
exalbuminous +
Endemic +  and Conservation concern +
prostrate +  and ascending +
lanate-tomentose +  and glabrescent +
appendaged +  and truncate +
papillate +
Senecio bernardinus var. sparsilobatus +, Senecio ionophyllus var. bernardinus +, Senecio ionophyllus var. sparsilobatus +  and Senecio sparsilobatus +
Packera bernardina +
species +
campanulate +
serrate +  and denticulate +
15 cm150 mm <br />0.15 m <br /> (30 cm300 mm <br />0.3 m <br />) +
vine +, tree +, shrub +  and subshrub +
23 +, 22 +  and 20 +