Flora of North America species comparison

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Ericameria nauseosa var. nauseosa

Ericameria nauseosa var. latisquamea
Photo is of parent taxon

rubber rabbitbrush
Photo is of parent taxon

broadscale rabbitbrush
Habit Plants mostly 20–60 cm. Plants 130–200 cm.
Stems

grayish to white, leafy, loosely tomentose.

white, leafy, loosely tomentose.
Leaves

grayish green to white;

blades 1-nerved, narrowly linear, 10–50 × 1–1.5 mm, faces loosely tomentose.

whitish;

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

7–10.5 mm.

7.5–10.5 mm.
Corollas

6.5–9 mm, tubes usually puberulent, rarely arachnose, lobes 1–2 mm, glabrous;

style appendages longer than stigmatic portions.

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

style appendages equaling or shorter than stigmatic portions.
Phyllaries

10–18, apices erect, mostly obtuse, abaxial faces tomentose, sometimes sparingly.

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

densely hairy;

pappi 5.2–7.2 mm.

densely hairy;

pappi 4.8–7.6 mm.
2n

= 18.

= 18.

Ericameria nauseosa var. nauseosa

Ericameria nauseosa var. latisquamea
Phenology Flowering late summer–fall. Flowering fall.
Habitat Plains and hills, often in barren alkaline soils Dry streambeds and arroyos
Elevation 300–2000 m (1000–6600 ft) 1200–2200 m (3900–7200 ft)
Distribution
from FNA
CO; ID; MT; ND; NE; SD; WY; AB; SK
[BONAP county map]
from FNA
AZ; NM; Mexico (Sonora)
[BONAP county map]
Source FNA vol. 20, p. 67. 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. latisquamea, E. nauseosa var. leiosperma, E. nauseosa var. mohavensis, E. nauseosa var. nana, 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. 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
Synonyms Bigelowia graveolens var. latisquamea, Chrysothamnus nauseosus subsp. latisquameus
Name authority unknown (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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