Flora of North America species comparison

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Senecio eremophilus var. macdougalii

Senecio eremophilus var. eremophilus
Photo is of parent taxon

Macdougal's ragwort
Photo is of parent taxon

desert ragwort, dryland ragwort
Involucres

4–5(–6) mm diam.

7–10 mm diam.
Phyllaries

3–5 mm, tips usually black, sometimes lightly so.

6–8 mm, tips green or weakly, if at all, black.
Calyculi

bractlets inconspicuous.

bractlets prominent (lengths of at least some to about 3/4 phyllaries).
Heads

20–60.

10–30(–40+).
Ray

corolla laminae 5–6 mm.

corolla laminae 5–10 mm.

Senecio eremophilus var. macdougalii

Senecio eremophilus var. eremophilus
Phenology Flowering summer–early fall. Flowering late spring–early fall.
Habitat Damp and drying habitats, conifer dominated associations, especially road cuts and other disturbed areas Grassy or open, rocky sites
Elevation 2400–3600 m (7900–11800 ft) 200–2300 m (700–7500 ft)
Distribution
from FNA
AZ; NM
from FNA
AK; MT; ND; SD; WY; AB; BC; MB; NT; ON; SK
[BONAP county map]
Discussion

Variety eremophilus may be expected as a casual weed or waif in the cooler portions of the flora. It has been reported as a waif in New York.

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Source FNA vol. 20, p. 566. FNA vol. 20, p. 565.
Parent taxa Asteraceae > tribe Senecioneae > Senecio > Senecio eremophilus Asteraceae > tribe Senecioneae > Senecio > Senecio eremophilus
Sibling taxa
S. eremophilus var. eremophilus, S. eremophilus var. kingii
S. eremophilus var. kingii, S. eremophilus var. macdougalii
Synonyms S. macdougalii S. glauciifolius
Name authority (A. Heller) Cronquist: in C. L. Hitchcock et al., Vasc. Pl. Pacif. N.W. 5: 288. (1955) unknown
Web links 
Unless otherwise noted, all data comes from the online version of the Flora of North America, who have made most of their content available via a Creative Commons license (CC BY 4.0).



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