Flora of North America species comparison

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Ericameria nauseosa var. leiosperma

Ericameria nauseosa var. bigelovii
Photo is of parent taxon

common rabbitbrush, smooth-fruit rabbitbrush
Photo is of parent taxon

Bigelow's rabbitbrush
Habit Plants 25–60 cm. Plants 15–120 cm.
Stems

yellowish green, often leafless at flowering, densely, compactly tomentose.

whitish, nearly leafless at flowering, loosely tomentose.
Leaves

yellowish green;

blades 1-nerved, filiform, 10–30 × 0.8–1 mm, faces glabrate.

mostly grayish white;

blades 1-nerved, filiform, 15–30 × 0.5–1 mm, faces tomentulose.
Involucres

8–11.5 mm.

10.5–12.5 mm.
Corollas

5–8.5 mm, tubes mostly glabrous, lobes 0.5–1.1 mm (erect to incurved), glabrous;

style appendages longer than stigmatic portions.

9–11 mm, tubes glabrous or puberulent, lobes 0.8–1.5 mm, glabrous;

style appendages longer than stigmatic portions.
Phyllaries

17–31, apices erect, acute to obtuse, abaxial faces glabrous.

14–18(–25), apices erect, acute to acuminate, abaxial faces tomentulose.
Cypselae

glabrous;

pappi 3–6.6 mm.

glabrous;

pappi 7.2–11 mm.
2n

= 18.

= 18.

Ericameria nauseosa var. leiosperma

Ericameria nauseosa var. bigelovii
Phenology Flowering late summer–fall. Flowering late summer–fall.
Habitat Gravelly and sandy soils, rocky crevices Dry slopes and mesas
Elevation 700–2800 m (2300–9200 ft) 1300–2200 m (4300–7200 ft)
Distribution
from FNA
AZ; CA; CO; NV; UT
[BONAP county map]
from FNA
AZ; CO; NM; UT
[BONAP county map]
Source FNA vol. 20, p. 66. FNA vol. 20, p. 64.
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. 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. 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
Synonyms Bigelowia leiosperma, Chrysothamnus nauseosus subsp. leiospermus Linosyris bigelovii, Chrysothamnus nauseosus subsp. bigelovii
Name authority (A. Gray) G. L. Nesom & G. I. Baird: Phytologia 75: 86. (1993) (A. Gray) G. L. Nesom & G. I. Baird: Phytologia 75: 85. (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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