Ericameria nauseosa var. leiosperma
Phytologia 75: 86. 1993.
Common names: Smooth-fruit rabbitbrush
Endemic
Basionym: Bigelowia leiosperma A. Gray in A. Gray et al., Syn. Fl. N. Amer. 1(2): 139. 1884 (as Bigelovia)
Synonyms: Chrysothamnus nauseosus subsp. leiospermus (A. Gray) H. M. Hall & Clements
Plants 25–60 cm. Stems yellowish green, often leafless at flowering, densely, compactly tomentose. Leaves yellowish green; blades 1-nerved, filiform, 10–30 × 0.8–1 mm, faces glabrate. Involucres 8–11.5 mm. Phyllaries 17–31, apices erect, acute to obtuse, abaxial faces glabrous. Corollas 5–8.5 mm, tubes mostly glabrous, lobes 0.5–1.1 mm (erect to incurved), glabrous; style appendages longer than stigmatic portions. Cypselae glabrous; pappi 3–6.6 mm. 2n = 18.
Phenology: Flowering late summer–fall.
Habitat: Gravelly and sandy soils, rocky crevices
Elevation: 700–2800 m
Distribution
Ariz., Calif., Colo., Nev., Utah.
Discussion
Selected References
None.
Lower Taxa
None.