Senecio scorzonella

Greene

Pittonia 3: 90. 1896.

Synonyms: Senecio covillei Greene Senecio covillei var. scorzonella (Greene) Jepson
Treatment appears in FNA Volume 20. Treatment on page 554. Mentioned on page 547, 555.
Revision as of 19:25, 16 December 2019 by FNA>Volume Importer

Perennials, 10–40(–50) cm (rhizomes stout). Herbage closely lanate to floccose-tomentose, unevenly glabrescent. Stems usually single, rarely clustered. Leaves reduced distally; obscurely petiolate; blades oblanceolate to lanceolate, (4–)6–12+ × (1–)1.5–3 cm, bases tapering to winged petioles, margins dentate to denticulate (denticles dark, cartilaginous; mid and distal leaves smaller, bractlike). Heads (10–)14–24(–30+) in corymbiform arrays. Calyculi 0 or of 1–3+ lance-deltate to lance-linear bractlets (mostly less than 1 mm). Phyllaries ± 13, 3–5 mm, tips usually black. Ray florets usually ± 5, sometimes 0; corolla laminae 5–8(–10) mm. Cypselae glabrous.


Phenology: Flowering summer.
Habitat: Open wooded areas and subalpine meadows
Elevation: 1600–3500 m

Discussion

Senecio scorzonella is restricted to high elevations in the Sierra Nevada–Cascade uplift and the White Mountains of California; it barely enters adjacent Nevada.

Selected References

None.

Lower Taxa

None.