Senecio integerrimus var. integerrimus

Endemic
Treatment appears in FNA Volume 20. Treatment on page 556. Mentioned on page 557.

Herbage glabrous or glabrescent at flowering (except in leaf axils and among heads). Leaves: basal and proximal cauline distinctly petiolate; blades (cauline) elliptic, lanceolate, or oblanceolate. Heads (3–)8–20+. Phyllaries linear-subulate, 6–7(–8) mm, tips usually green, minutely, if at all, black. Ray florets 5–8+; corollas yellow, laminae 6–8+ mm.


Phenology: Flowering spring.
Habitat: Open prairies and plains
Elevation: 200–1500 m

Distribution

V20-1231-distribution-map.gif

Alta., Man., Sask., Colo., Iowa, Kans., Minn., Mont., Nebr., N.Mex., N.Dak., S.Dak., Wyo.

Discussion

Variety integerrimus intergrades with var. exaltatus in the Rocky Mountains.

Selected References

None.

Lower Taxa

None.