Senecio fremontii var. fremontii
Synonyms: Senecio occidentalis var. rotundatus unknown
Treatment appears in FNA Volume 20. Treatment on page 564.
Revision as of 19:40, 24 September 2019 by FNA>Volume Importer
Plants mostly 1–2 dm. Stems arching upward. Leaves (± equally developed along stems) usually smaller than 4 × 2 cm, bases not clasping, margins toothed or subentire. Heads (1–)3–5. Phyllaries (± 8) ± 13, (7–)8–10 mm.
Phenology: Flowering summer.
Habitat: Talus slopes, rocky sites, subalpine and high coniferous associations
Elevation: 2500–3500 m
Distribution
Alta., B.C., Calif., Idaho, Mont. Nev., Oreg., Utah, Wash., Wyo.
Discussion
Variety fremontii grows in the northern Rocky Mountains and interior ranges. Apparently, the plants intergrade locally with Senecio spartioides in the mountains of the Great Basin.
Selected References
None.
Lower Taxa
None.