Flora of North America species comparison

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Ericameria nauseosa var. latisquamea

Ericameria nauseosa var. leiosperma
Photo is of parent taxon

broadscale rabbitbrush
Photo is of parent taxon

common rabbitbrush, smooth-fruit rabbitbrush
Habit Plants 130–200 cm. Plants 25–60 cm.
Stems

white, leafy, loosely tomentose.

yellowish green, often leafless at flowering, densely, compactly tomentose.
Leaves

whitish;

blades 1-nerved, filiform, 15–45 × 1–2 mm, faces loosely tomentose.

yellowish green;

blades 1-nerved, filiform, 10–30 × 0.8–1 mm, faces glabrate.
Involucres

7.5–10.5 mm.

8–11.5 mm.
Corollas

7–9.5 mm, tubes glabrous or puberulent, lobes 0.6–1 mm, glabrous;

style appendages equaling or shorter than stigmatic portions.

5–8.5 mm, tubes mostly glabrous, lobes 0.5–1.1 mm (erect to incurved), glabrous;

style appendages longer than stigmatic portions.
Phyllaries

15–17, apices erect, obtuse, outer abaxial faces densely tomentulose, inner glabrous.

17–31, apices erect, acute to obtuse, abaxial faces glabrous.
Cypselae

densely hairy;

pappi 4.8–7.6 mm.

glabrous;

pappi 3–6.6 mm.
2n

= 18.

= 18.

Ericameria nauseosa var. latisquamea

Ericameria nauseosa var. leiosperma
Phenology Flowering fall. Flowering late summer–fall.
Habitat Dry streambeds and arroyos Gravelly and sandy soils, rocky crevices
Elevation 1200–2200 m (3900–7200 ft) 700–2800 m (2300–9200 ft)
Distribution
from FNA
AZ; NM; Mexico (Sonora)
[BONAP county map]
from FNA
AZ; CA; CO; NV; UT
[BONAP county map]
Source FNA vol. 20, p. 66. FNA vol. 20, p. 66.
Parent taxa Asteraceae > tribe Astereae > Ericameria > Ericameria nauseosa Asteraceae > tribe Astereae > Ericameria > Ericameria nauseosa
Sibling taxa
E. nauseosa var. arenaria, E. nauseosa var. bernardina, E. nauseosa var. bigelovii, E. nauseosa var. ceruminosa, E. nauseosa var. graveolens, E. nauseosa var. hololeuca, E. nauseosa var. iridis, E. nauseosa var. juncea, E. nauseosa var. leiosperma, E. nauseosa var. mohavensis, E. nauseosa var. nana, E. nauseosa var. nauseosa, E. nauseosa var. nitida, E. nauseosa var. oreophila, E. nauseosa var. psilocarpa, E. nauseosa var. salicifolia, E. nauseosa var. speciosa, E. nauseosa var. texensis, E. nauseosa var. turbinata, E. nauseosa var. washoensis
E. nauseosa var. arenaria, E. nauseosa var. bernardina, E. nauseosa var. bigelovii, E. nauseosa var. ceruminosa, E. nauseosa var. graveolens, E. nauseosa var. hololeuca, E. nauseosa var. iridis, E. nauseosa var. juncea, E. nauseosa var. latisquamea, E. nauseosa var. mohavensis, E. nauseosa var. nana, E. nauseosa var. nauseosa, E. nauseosa var. nitida, E. nauseosa var. oreophila, E. nauseosa var. psilocarpa, E. nauseosa var. salicifolia, E. nauseosa var. speciosa, E. nauseosa var. texensis, E. nauseosa var. turbinata, E. nauseosa var. washoensis
Synonyms Bigelowia graveolens var. latisquamea, Chrysothamnus nauseosus subsp. latisquameus Bigelowia leiosperma, Chrysothamnus nauseosus subsp. leiospermus
Name authority (A. Gray) G. L. Nesom & G. I. Baird: Phytologia 75: 86. (1993) (A. Gray) G. L. Nesom & G. I. Baird: Phytologia 75: 86. (1993)
Web links 
Unless otherwise noted, all data comes from the online version of the Flora of North America, who have made most of their content available via a Creative Commons license (CC BY 4.0).



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