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FNA | Family List | FNA Vol. 20 | Asteraceae | Ericameria

21d. Ericameria nauseosa (Pallas ex Pursh) G. L. Nesom & G. I. Baird var. ceruminosa (Durand & Hilgard) G. L. Nesom & G. I. Baird, Phytologia. 75: 85. 1993.

Desert rabbitbrush

Linosyris ceruminosus Durand & Hilgard, Pl. Heermann., 40. 1854; Chrysothamnus nauseosus (Pallas ex Pursh) Britton subsp. ceruminosus (Durand & Hilgard) H. M. Hall & Clements; C. nauseosus var. ceruminosus (Durand & Hilgard) H. M. Hall

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.

Flowering late summer–fall. Gravelly arroyos; 700–1700 m; Calif.

Variety ceruminosa grows in the Mojave Desert.


 

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