Ericameria nauseosa var. ceruminosa

(Durand & Hilgard) G. L. Nesom & G. I. Baird
Phytologia 75: 85. 1993.
Common names: Desert rabbitbrush
Basionym: Linosyris ceruminosus Durand & Hilgard Pl. Heermann., 40. 1854
Synonyms: Chrysothamnus nauseosus subsp. ceruminosus (Durand & Hilgard) H. M. Hall & Clements Chrysothamnus nauseosus var. ceruminosus (Durand & Hilgard) H. M. Hall
Treatment appears in FNA Volume 20. Treatment on page 65. Mentioned on page 63.

Plants 50–70 cm. Stems yellowish green, moderately leafy to nearly leafless, compact tomentose. Leaves yellowish green; blades 1-nerved, filiform, 10–30 × 0.7–1 mm, faces tomentulose. Involucres 7–8.5 mm. Phyllaries 16–26 (in vertical ranks), apices recurved, acuminate, abaxial faces tomentose to glabrate, glutinous. Corollas 6–7.5 mm, tubes glabrous, lobes 1.5–2.5 mm, glabrous; style appendages shorter than stigmatic portions. Cypselae hairy; pappi 4.5–6.7 mm.

Phenology: Flowering late summer–fall.
Habitat: Gravelly arroyos
Elevation: 700–1700 m


Variety ceruminosa grows in the Mojave Desert.

Selected References


Lower Taxa


Lowell E. Urbatsch +, Loran C. Anderson +, Roland P. Roberts +  and Kurt M. Neubig +
(Durand & Hilgard) G. L. Nesom & G. I. Baird +
Linosyris ceruminosus +
Desert rabbitbrush +
700–1700 m +
Gravelly arroyos +
Flowering late summer–fall. +
Chrysothamnus nauseosus subsp. ceruminosus +  and Chrysothamnus nauseosus var. ceruminosus +
Ericameria nauseosa var. ceruminosa +
Ericameria nauseosa +
variety +