Flora of North America species comparison

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Ericameria nauseosa var. latisquamea

Ericameria nauseosa var. nauseosa
Photo is of parent taxon

broadscale rabbitbrush
Photo is of parent taxon

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

white, leafy, loosely tomentose.

grayish to white, leafy, loosely tomentose.
Leaves

whitish;

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

grayish green to white;

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

7.5–10.5 mm.

7–10.5 mm.
Corollas

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

style appendages equaling or shorter than stigmatic portions.

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

style appendages longer than stigmatic portions.
Phyllaries

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

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

densely hairy;

pappi 4.8–7.6 mm.

densely hairy;

pappi 5.2–7.2 mm.
2n

= 18.

= 18.

Ericameria nauseosa var. latisquamea

Ericameria nauseosa var. nauseosa
Phenology Flowering fall. Flowering late summer–fall.
Habitat Dry streambeds and arroyos Plains and hills, often in barren alkaline soils
Elevation 1200–2200 m (3900–7200 ft) 300–2000 m (1000–6600 ft)
Distribution
from FNA
AZ; NM; Mexico (Sonora)
[BONAP county map]
from FNA
CO; ID; MT; ND; NE; SD; WY; AB; SK
[BONAP county map]
Source FNA vol. 20, p. 66. FNA vol. 20, p. 67.
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. 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
Synonyms Bigelowia graveolens var. latisquamea, Chrysothamnus nauseosus subsp. latisquameus
Name authority (A. Gray) G. L. Nesom & G. I. Baird: Phytologia 75: 86. (1993) unknown
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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