Ericameria nauseosa var. ceruminosa

(Durand & Hilgard) G. L. Nesom & G. I. Baird

Phytologia 75: 85. 1993.

Lowell E. Urbatsch, Loran C. Anderson, Roland P. Roberts, Kurt M. Neubig

Common names: Desert rabbitbrush

Endemic

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.

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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