Flora of North America species comparison

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Ericameria nauseosa var. ceruminosa

Ericameria nauseosa var. juncea
Photo is of parent taxon

desert rabbitbrush, sharp bract rabbitbrush
Photo is of parent taxon

rush rabbitbrush
Habit Plants 50–70 cm. Plants 40–70 cm.
Stems

yellowish green, moderately leafy to nearly leafless, compact tomentose.

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

yellowish green;

blades 1-nerved, filiform, 10–30 × 0.7–1 mm, faces tomentulose.

yellowish green;

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

7–8.5 mm.

9.5–12 mm.
Corollas

6–7.5 mm, tubes glabrous, lobes 1.5–2.5 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

16–26 (in vertical ranks), apices recurved, acuminate, abaxial faces tomentose to glabrate, glutinous.

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

hairy;

pappi 4.5–6.7 mm.

hairy;

pappi 5.6–7.6 mm.
2n

= 18.

Ericameria nauseosa var. ceruminosa

Ericameria nauseosa var. juncea
Phenology Flowering late summer–fall. Flowering late summer–fall.
Habitat Gravelly arroyos Blackbrush, matchweed, shadscale, and pinyon-juniper communities
Elevation 700–1700 m (2300–5600 ft) 1200–1800 m (3900–5900 ft)
Distribution
from FNA
CA
[BONAP county map]
from FNA
AZ; NV; UT
[BONAP county map]
Discussion

Variety ceruminosa grows in the Mojave Desert.

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Source FNA vol. 20, p. 65. 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. 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. 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 Linosyris ceruminosus, Chrysothamnus nauseosus subsp. ceruminosus, Chrysothamnus nauseosus var. ceruminosus Bigelowia juncea, Chrysothamnus nauseosus var. junceus
Name authority (Durand & Hilgard) G. L. Nesom & G. I. Baird: Phytologia 75: 85. (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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