Flora of North America species comparison

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Ericameria nauseosa var. nana

Ericameria nauseosa var. juncea
Photo is of parent taxon

dwarf rabbitbrush, little rabbitbrush
Photo is of parent taxon

rush rabbitbrush
Habit Plants 10–30 cm. Plants 40–70 cm.
Stems

whitish, leafy, loosely tomentose.

yellowish green, usually leafless at flowering, compactly tomentose.
Leaves

dark green to grayish;

blades 1-nerved, filiform to linear, 30–40 × 1–3 mm, faces compactly tomentose.

yellowish green;

blades 1-nerved, filiform, 10–30 × 0.7–1 mm, faces compactly tomentose.
Involucres

8–13 mm.

9.5–12 mm.
Corollas

7.5–10 mm, tubes glabrous or moderately hairy, lobes 1.6–2.5 mm, glabrous;

style appendages shorter than stigmatic portions.

7–8.5 mm, tubes hairy, lobes 0.7–0.9 mm, villous;

style appendages longer than stigmatic portions.
Phyllaries

14–18, apices erect, acute to obtuse, outer abaxial faces sparsely tomentose, inner glabrous.

22–25, apices erect, acute, abaxial faces tomentose or glabrate.
Cypselae

densely hairy;

pappi 5.2–9 mm.

hairy;

pappi 5.6–7.6 mm.
2n

= 18.

= 18.

Ericameria nauseosa var. nana

Ericameria nauseosa var. juncea
Phenology Flowering late summer–fall. Flowering late summer–fall.
Habitat Dry, rocky ridges and cliffs Blackbrush, matchweed, shadscale, and pinyon-juniper communities
Elevation 1200–2000 m (3900–6600 ft) 1200–1800 m (3900–5900 ft)
Distribution
from FNA
ID; OR; WA
[BONAP county map]
from FNA
AZ; NV; UT
[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. 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. 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
Synonyms Chrysothamnus nauseosus var. nanus, Chrysothamnus nauseosus subsp. nanus Bigelowia juncea, Chrysothamnus nauseosus var. junceus
Name authority (Cronquist) G. L. Nesom & G. I. Baird: Phytologia 75: 87. (1993) (Greene) 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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