Ericameria nauseosa var. hololeuca
Phytologia 75: 86. 1993.
Common names: White rabbitbrush
Endemic
Basionym: Bigelowia graveolens var. hololeuca A. Gray Proc. Amer. Acad. Arts 8: 645. 1873 (as Bigelovia)
Synonyms: Chrysothamnus nauseosus var. hololeucus (A. Gray) H. M. Hall
Plants 40–120 cm (pleasantly fragrant). Stems whitish, leafy, densely to loosely tomentose. Leaves whitish; blades 1-nerved, filiform to linear, 10–35 × 1–2 mm, faces tomentose. Involucres 7–9 mm. Phyllarie 14–16, apices erect, obtuse, abaxial faces tomentose. Corollas 7–9.5 mm, tubes puberulent to cobwebby, lobes 0.5–1 mm, glabrous; style appendages shorter than stigmatic portions. Cypselae densely hairy; pappi 5.2–7.2 mm. 2n = 18.
Phenology: Flowering late summer–fall.
Habitat: Well-drained, gravelly or sandy slopes
Elevation: 100–2500 m
Distribution
Ariz., Calif., Idaho, Nev., N.Mex., Oreg., Utah.
Discussion
Selected References
None.
Lower Taxa
None.