Senecio scorzonella


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.

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


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


Lower Taxa