Ericameria nauseosa var. latisquamea |
Ericameria nauseosa var. graveolens |
|
---|---|---|
broadscale rabbitbrush |
pungent rabbitbrush |
|
Habit | Plants 130–200 cm. | Plants 50–160 cm. |
Stems | white, leafy, loosely tomentose. |
yellowish green to nearly white, leafy, compactly, smoothly tomentose. |
Leaves | whitish; blades 1-nerved, filiform, 15–45 × 1–2 mm, faces loosely tomentose. |
greenish; blades 3-nerved, broadly linear, 30–90 × 1–3 mm, faces often tomentulose. |
Involucres | 7.5–10.5 mm. |
6–8 mm. |
Corollas | 7–9.5 mm, tubes glabrous or puberulent, lobes 0.6–1 mm, glabrous; style appendages equaling or shorter than stigmatic portions. |
7–9+ mm, tubes puberulent or glabrous, lobes 0.6–1.5, glabrous; style appendages longer than stigmatic portions. |
Phyllaries | 15–17, apices erect, obtuse, outer abaxial faces densely tomentulose, inner glabrous. |
14–18, apices erect, acute, abaxial faces usually glabrous, outer sometimes sparsely hairy. |
Cypselae | densely hairy; pappi 4.8–7.6 mm. |
densely hairy; pappi 4.9–6.5 mm. |
2n | = 18. |
= 18. |
Ericameria nauseosa var. latisquamea |
Ericameria nauseosa var. graveolens |
|
Phenology | Flowering fall. | Flowering late summer–fall. |
Habitat | Dry streambeds and arroyos | On plains in slightly alkaline soils |
Elevation | 1200–2200 m (3900–7200 ft) | 200–2000 m (700–6600 ft) |
Distribution |
AZ; NM; Mexico (Sonora) |
AZ; CO; ID; KS; MT; ND; NE; NM; NV; OK; SD; TX; UT; WY; SK |
Source | FNA vol. 20, p. 66. | FNA vol. 20, p. 65. |
Parent taxa | ||
Sibling taxa | ||
Synonyms | Bigelowia graveolens var. latisquamea, Chrysothamnus nauseosus subsp. latisquameus | Chrysocoma graveolens, Chrysothamnus nauseosus subsp. graveolens, Chrysothamnus nauseosus var. graveolens, E. nauseosa var. glabrata |
Name authority | (A. Gray) G. L. Nesom & G. I. Baird: Phytologia 75: 86. (1993) | (Nuttall) Reveal & Schuyler: Proc. Acad. Nat. Sci. Philadelphia 149: 20. (1999) |
Web links |