Ericameria nauseosa var. washoensis
Phytologia 75: 88. 1993.
Common names: Washoe rabbitbrush
EndemicConservation concern
Basionym: Chrysothamnus nauseosus subsp. washoensis L. C. Anderson Phytologia 38: 315, fig. 3. 1978
Synonyms: Ericameria nauseosa var. washoensis (L. C. Anderson) G. L. Nesom & G. I. Baird
Plants 30–45(–100) cm. Stems whitish, sparsely leafy, loosely tomentose. Leaves grayish green; blades 1–3-nerved, spatulate to narrowly oblanceolate, 20–30 × 2–3 mm, faces loosely hairy. Involucres 10–12 mm. Phyllaries 16–20(–30), (brownish costal nerves often evident) apices acute to obtuse, outer abaxial faces sparsely villous to tomentose, inner tomentulose. Corollas 7.5–9(–10) mm, tubes puberulent, lobes 1.3–1.6 mm, villous; style appendages longer than stigmatic portions. Cypselae distally pilose; pappi 6.5–10 mm. 2n = 18.
Phenology: Flowering late summer–fall.
Habitat: Rocky, open sites in juniper and pinyon grasslands
Elevation: 1500–1700 m
Discussion
Variety washoensis is known from northeastern California and northwestern Nevada.
of conservation concern
Selected References
None.
Lower Taxa
None.