Ericameria nauseosa var. nitida |
Ericameria nauseosa var. hololeuca |
|
---|---|---|
shiny-bract rabbitbrush |
common rabbitbrush, white rabbitbrush |
|
Habit | Plants 60–150 cm. | Plants 40–120 cm (pleasantly fragrant). |
Stems | yellowish green, leafy at flowering, densely tomentose. |
whitish, leafy, densely to loosely tomentose. |
Leaves | yellowish green; blades 1-nerved, linear, 30–50 × 1–1.5 mm, faces glabrate. |
whitish; blades 1-nerved, filiform to linear, 10–35 × 1–2 mm, faces tomentose. |
Involucres | 10–12.5 mm. |
7–9 mm. |
Corollas | 9.5–11 mm, tubes mostly glabrous, lobes 0.7–1 mm, glabrous or villous; style appendages longer than stigmatic portions. |
7–9.5 mm, tubes puberulent to cobwebby, lobes 0.5–1 mm, glabrous; style appendages shorter than stigmatic portions. |
Cypselae | usually glabrous, sometimes hairy; pappi 9–10 mm. |
densely hairy; pappi 5.2–7.2 mm. |
Phyllarie(s) | 13–19 (outer weakly keeled), apices erect, acute (outer) or acute to obtuse (inner), outer abaxial faces scurfy-tomentulose, inner glabrous. |
14–16, apices erect, obtuse, abaxial faces tomentose. |
2n | = 18. |
= 18. |
Ericameria nauseosa var. nitida |
Ericameria nauseosa var. hololeuca |
|
Phenology | Flowering late summer–fall. | Flowering late summer–fall. |
Habitat | Sandy gravels of dry streambeds | Well-drained, gravelly or sandy slopes |
Elevation | 1200–1800 m (3900–5900 ft) | 100–2500 m (300–8200 ft) |
Distribution |
AZ; NM; UT |
AZ; CA; ID; NM; NV; OR; UT |
Source | FNA vol. 20, p. 67. | FNA vol. 20, p. 65. |
Parent taxa | ||
Sibling taxa | ||
Synonyms | Chrysothamnus nauseosus subsp. nitidus, Chrysothamnus nauseosus var. nitidus | Bigelowia graveolens var. hololeuca, Chrysothamnus nauseosus var. hololeucus |
Name authority | (L. C. Anderson) G. L. Nesom & G. I. Baird: Phytologia 75: 87. (1993) | (A. Gray) G. L. Nesom & G. I. Baird: Phytologia 75: 86. (1993) |
Web links |
|