Common names: Rubber rabbitbrush
Endemic
Treatment appears in FNA Volume 20. Treatment on page 67. Mentioned on page 62, 64.

Plants mostly 20–60 cm. Stems grayish to white, leafy, loosely tomentose. Leaves grayish green to white; blades 1-nerved, narrowly linear, 10–50 × 1–1.5 mm, faces loosely tomentose. Involucres 7–10.5 mm. Phyllaries 10–18, apices erect, mostly obtuse, abaxial faces tomentose, sometimes sparingly. Corollas 6.5–9 mm, tubes usually puberulent, rarely arachnose, lobes 1–2 mm, glabrous; style appendages longer than stigmatic portions. Cypselae densely hairy; pappi 5.2–7.2 mm. 2n = 18.


Phenology: Flowering late summer–fall.
Habitat: Plains and hills, often in barren alkaline soils
Elevation: 300–2000 m

Distribution

V20-113-distribution-map.gif

Alta., Sask., Colo., Idaho, Mont., Nebr., N.Dak., S.Dak., Wyo.

Discussion

Selected References

None.

Lower Taxa

None.
Lowell E. Urbatsch +, Loran C. Anderson +, Roland P. Roberts +  and Kurt M. Neubig +
(Pallas ex Pursh) G. L. Nesom & G. I. Baird +
Chrysocoma nauseosa +
Rubber rabbitbrush +
Alta. +, Sask. +, Colo. +, Idaho +, Mont. +, Nebr. +, N.Dak. +, S.Dak. +  and Wyo. +
300–2000 m +
Plains and hills, often in barren alkaline soils +
Flowering late summer–fall. +
Chrysothamnus nauseosus +
Ericameria nauseosa var. nauseosa +
Ericameria nauseosa +
variety +