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