Ericameria nauseosa var. bigelovii

(A. Gray) G. L. Nesom & G. I. Baird
Phytologia 75: 85. 1993.
Common names: Bigelow’s rabbitbrush
Basionym: Linosyris bigelovii A. Gray in War Department [U.S.], Pacif. Railr. Rep. 4(5): 98, plate 12. 1857
Synonyms: Chrysothamnus nauseosus subsp. bigelovii (A. Gray) H. M. Hall & Clements
Treatment appears in FNA Volume 20. Treatment on page 64. Mentioned on page 63.

Plants 15–120 cm. Stems whitish, nearly leafless at flowering, loosely tomentose. Leaves mostly grayish white; blades 1-nerved, filiform, 15–30 × 0.5–1 mm, faces tomentulose. Involucres 10.5–12.5 mm. Phyllaries 14–18(–25), apices erect, acute to acuminate, abaxial faces tomentulose. Corollas 9–11 mm, tubes glabrous or puberulent, lobes 0.8–1.5 mm, glabrous; style appendages longer than stigmatic portions. Cypselae glabrous; pappi 7.2–11 mm. 2n = 18.

Phenology: Flowering late summer–fall.
Habitat: Dry slopes and mesas
Elevation: 1300–2200 m



Ariz., Colo., N.Mex., Utah.


Selected References


Lower Taxa


Lowell E. Urbatsch +, Loran C. Anderson +, Roland P. Roberts +  and Kurt M. Neubig +
(A. Gray) G. L. Nesom & G. I. Baird +
Linosyris bigelovii +
Bigelow’s rabbitbrush +
Ariz. +, Colo. +, N.Mex. +  and Utah. +
1300–2200 m +
Dry slopes and mesas +
Flowering late summer–fall. +
Chrysothamnus nauseosus subsp. bigelovii +
Ericameria nauseosa var. bigelovii +
Ericameria nauseosa +
variety +