Flora of North America species comparison

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Ericameria nauseosa var. arenaria

Ericameria nauseosa var. nauseosa
Photo is of parent taxon

sand rabbitbrush
Photo is of parent taxon

rubber rabbitbrush
Habit Plants 70–120 cm. Plants mostly 20–60 cm.
Stems

grayish green, moderately leafy, moderately compactly tomentose.

grayish to white, leafy, loosely tomentose.
Leaves

grayish green;

blades 1-nerved, linear, 40–75 × 0.8–1.1 mm, faces tomentose.

grayish green to white;

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

16–19 mm.

7–10.5 mm.
Corollas

12–14.2 mm, tubes glabrous, lobes 1.2–2 mm, glabrous;

style appendages longer than stigmatic portions.

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

style appendages longer than stigmatic portions.
Phyllaries

(19–)22–27 (in strongly vertical ranks), apices ± recurved, cuspidate-aristate, abaxial faces glabrous or glabrescent.

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

hairy;

pappi 9.6–12.7 mm.

densely hairy;

pappi 5.2–7.2 mm.
2n

= 18.

= 18.

Ericameria nauseosa var. arenaria

Ericameria nauseosa var. nauseosa
Phenology Flowering late summer–fall. Flowering late summer–fall.
Habitat Sandhills and sandstone cliffs Plains and hills, often in barren alkaline soils
Elevation 1500–2000 m (4900–6600 ft) 300–2000 m (1000–6600 ft)
Distribution
from FNA
AZ; NM; UT
[BONAP county map]
from FNA
CO; ID; MT; ND; NE; SD; WY; AB; SK
[BONAP county map]
Source FNA vol. 20, p. 64. FNA vol. 20, p. 67.
Parent taxa Asteraceae > tribe Astereae > Ericameria > Ericameria nauseosa Asteraceae > tribe Astereae > Ericameria > Ericameria nauseosa
Sibling taxa
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. 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 Chrysothamnus nauseosus subsp. arenarius, Chrysothamnus nauseosus var. arenarius
Name authority (L. C. Anderson) G. L. Nesom & G. I. Baird: Phytologia 75: 85. (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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