Packera eurycephala var. eurycephala
Common names: Widehead groundsel
Endemic
Synonyms: Senecio austinae Greene
Treatment appears in FNA Volume 20. Treatment on page 586.
Caudices taprooted, suberect to erect, woody. Stems (1–) 2–6+, usually canescent, rarely glabrescent. Leaf-blades: margins usually serrate-dentate, sometimes deeply dissected, midribs winged.
Phenology: Flowering mid May–mid Jun.
Habitat: Dry disturbed sites, roadsides, wooded areas, dry or drying streambeds
Elevation: 200–1700 m
Discussion
Variety eurycephala evidently reproduces extensively from creeping rootstocks. Some specimens from Butte, Plumas, and Yuba counties lack lobed leaves.
Selected References
None.
Lower Taxa
None.
... more about "Packera eurycephala var. eurycephala"
introrse +
connate +
papillate +
truncate-penicillate +
scarious +
hispidulous +
papillate +
continuous +
petiolate +
tapering +
nerved +
spatulate;obovate;spatulate;obovate;ovate;lyrate +
winged;nerved;ribbed +
1;15 +
stigmatic +
barbellulate +
white +
persistent +
absent +
inconspicuous +
taprooted +
woody +
reduced +
Widehead groundsel +
not 2-lipped +
monomorphic +
5-10-ribbed +
glabrous +
cylindric +
1mm;1.5mm +
staminate +
straight +
distinct +
proximal +
1;5 +
bisexual +
dispersed +
indeterminate +
5;20 +
surrounding +
campanulate;cylindric +
alternate +
2.5mm;3.5mm +
erect;recurved +
deltate +
serrate-dentate +
dissected +
scarious +
winged +
2-carpellate +
inferior +
attached +
anatropous +
falling +
bracteate +
lanate-tomentose +
tough +
thick +
absent +
connate +
green +
persistent +
distinct +
herbaceous +
falling +
erect +
subequal +
equal +
Phytologia +
1981 +
pistillate +
absent +
fertile +
epaleate +
foveolate +
conic;usually flat;convex +
fibrous +
exalbuminous +
modifed +
1;2 +
Endemic +
alternate +
clustered +
2-branched +
glabrous +
papillate +
Packera eurycephala var. eurycephala +
Packera eurycephala +
variety +
campanulate +
equaling +
shorter +
serrate-dentate +
taprooted +
perennial +