Ericameria nauseosa var. nana
Phytologia 75: 87. 1993.
Common names: Dwarf rabbitbrush
Endemic
Basionym: Chrysothamnus nauseosus var. nanus Cronquist in C. L. Hitchcock et al., Vasc. Pl. Pacif. N.W. 5: 129. 1955
Synonyms: Chrysothamnus nauseosus subsp. nanus (Cronquist) D. D. Keck
Plants 10–30 cm. Stems whitish, leafy, loosely tomentose. Leaves dark green to grayish; blades 1-nerved, filiform to linear, 30–40 × 1–3 mm, faces compactly tomentose. Involucres 8–13 mm. Phyllaries 14–18, apices erect, acute to obtuse, outer abaxial faces sparsely tomentose, inner glabrous. Corollas 7.5–10 mm, tubes glabrous or moderately hairy, lobes 1.6–2.5 mm, glabrous; style appendages shorter than stigmatic portions. Cypselae densely hairy; pappi 5.2–9 mm. 2n = 18.
Phenology: Flowering late summer–fall.
Habitat: Dry, rocky ridges and cliffs
Elevation: 1200–2000 m
Distribution
Idaho, Oreg., Wash.
Discussion
Selected References
None.
Lower Taxa
None.