Packera eurycephala var. lewisrosei
Novon 9: 457. 1999.
Common names: Lewis’s groundsel
Basionym: Senecio lewisrosei J. T. Howell Leafl. W. Bot. 3: 141. 1942
Synonyms: Senecio eurycephalus var. lewisrosei (J. T. Howell) T. M. Barkley
Treatment appears in FNA Volume 20. Treatment on page 586.
Revision as of 18:41, 24 September 2019 by FNA>Volume Importer
Caudices subligneous, bases spreading and branched. Stems 1, tomentose or glabrate. Leaf blades: margins finely dissected, lateral lobes also dissected, midribs not or weakly winged.
Phenology: Flowering mid Apr–mid Jun.
Habitat: On serpentine-derived soils, rocky slopes
Elevation: 100–1500 m
Discussion
Of conservation concern.
Variety lewisrosei is found only near the Feather River and its tributaries in Butte and Plumas counties. The finely dissected leaf lobing is similar to that of the eastern species Packera millefolia.
Selected References
None.
Lower Taxa
None.