Packera eurycephala var. eurycephala

Common names: Widehead groundsel
Synonyms: Senecio austinae Greene
Treatment appears in FNA Volume 20. Treatment on page 586.
Revision as of 19:25, 16 December 2019 by FNA>Volume Importer

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.
Debra K. Trock +
(Torrey & A. Gray) W. A. Weber & Á. Löve +
Senecio eurycephalus +
Widehead groundsel +
Calif. +  and Oreg. +
200–1700 m +
Dry disturbed sites, roadsides, wooded areas, dry or drying streambeds +
Flowering mid May–mid Jun. +
Senecio austinae +
Packera eurycephala var. eurycephala +
Packera eurycephala +
variety +