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Photo is of parent taxon

pungent rabbitbrush

Photo is of parent taxon

Texas rabbitbrush

Habit Plants 50–160 cm. Plants 20–40(–50) cm.
Stems

yellowish green to nearly white, leafy, compactly, smoothly tomentose.

whitish, leafy, loosely tomentose.

Leaves

greenish;

blades 3-nerved, broadly linear, 30–90 × 1–3 mm, faces often tomentulose.

grayish green;

blades 1-nerved, linear, 10–35 × 1(–1.5) mm, faces loosely tomentulose.

Involucres

6–8 mm.

8–11.5 mm.

Corollas

7–9+ mm, tubes puberulent or glabrous, lobes 0.6–1.5, glabrous;

style appendages longer than stigmatic portions.

8.4–10.9 mm, tubes glabrous or sparsely puberulent, lobes 0.6–1.3 mm, glabrous;

style appendages shorter than stigmatic portions.

Phyllaries

14–18, apices erect, acute, abaxial faces usually glabrous, outer sometimes sparsely hairy.

16–23 (outer margins ciliate), apices erect, acute to obtuse (outer) to acuminate (inner), outer abaxial faces tomentose, glabrescent.

Cypselae

densely hairy;

pappi 4.9–6.5 mm.

glabrous;

pappi 5.2–7.4 mm.

2n

= 18.

= 18.

Ericameria nauseosa var. graveolens

Ericameria nauseosa var. texensis

Phenology Flowering late summer–fall. Flowering fall.
Habitat On plains in slightly alkaline soils Limestone cliffs and among boulders, less common on gravel alluvium of streambeds, associated with bigtooth maple, hornbeam, madrone, and yellow pine woodlands
Elevation 200–2000 m (700–6600 ft) 1500–2100 m (4900–6900 ft)
Distribution
from FNA
AZ; CO; ID; KS; MT; ND; NE; NM; NV; OK; SD; TX; UT; WY; SK
[BONAP county map]
from FNA
NM; TX
[BONAP county map]
Discussion

Of conservation concern.

Variety texensis is known from the Guadalupe Mountains.

(Discussion copyrighted by Flora of North America; reprinted with permission.)

Source FNA vol. 20, p. 65. FNA vol. 20, p. 69.
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. 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. nauseosa, E. nauseosa var. nitida, E. nauseosa var. oreophila, E. nauseosa var. psilocarpa, E. nauseosa var. salicifolia, E. nauseosa var. speciosa, E. nauseosa var. turbinata, E. nauseosa var. washoensis
Synonyms Chrysocoma graveolens, Chrysothamnus nauseosus subsp. graveolens, Chrysothamnus nauseosus var. graveolens, E. nauseosa var. glabrata Chrysothamnus nauseosus subsp. texensis
Name authority (Nuttall) Reveal & Schuyler: Proc. Acad. Nat. Sci. Philadelphia 149: 20. (1999) (L. C. Anderson) G. L. Nesom & G. I. Baird: Phytologia 75: 88. (1993)
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