Senecio crassulus

A. Gray
Proc. Amer. Acad. Arts 19: 54. 1883.
Endemic
Synonyms: Senecio lapathifolius Greene Senecio semiamplexicaulis Rydberg
Treatment appears in FNA Volume 20. Treatment on page 551. Mentioned on page 546, 547.

Perennials, (15–)20–50(–70) cm (rhizomes branched, ± woody). Herbage glabrous. Stems 1–(2–4). Leaves (thickish-turgid) progressively reduced distally; petiolate; blades broadly lanceolate to subelliptic, 2.5–15 × 1–5 cm, bases tapered, margins sharply dentate to subentire (some teeth callous; mid leaves sometimes larger than proximal; distal leaves sessile, smaller, often clasping). Heads (1–)4–12 in corymbiform arrays. Calyculi of (1–)3–6 linear to filiform bractlets (lengths to 1/3 phyllaries). Phyllaries (± 8) ± 13 or ± 21, 5–9 mm, tips black (villous). Ray florets ± 8 or ± 13; corolla laminae 5–12 mm. Cypselae glabrous. 2n = 40.


Phenology: Flowering summer.
Habitat: Moist to drying hillsides, meadows, other open places in forest associations
Elevation: 2200–3700 m

Distribution

V20-1212-distribution-map.gif

Colo., Idaho, Mont., Nev., N.Mex., Oreg., S.Dak., Utah, Wyo.

Discussion

Selected References

None.

Lower Taxa

None.

... more about "Senecio crassulus"
Theodore M. Barkley† +
A. Gray +
Colo. +, Idaho +, Mont. +, Nev. +, N.Mex. +, Oreg. +, S.Dak. +, Utah +  and Wyo. +
2200–3700 m +
Moist to drying hillsides, meadows, other open places in forest associations +
Flowering summer. +
Proc. Amer. Acad. Arts +
Senecio lapathifolius +  and Senecio semiamplexicaulis +
Senecio crassulus +
species +