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Photo is of parent taxon

shiny-bract rabbitbrush

Photo is of parent taxon

Texas rabbitbrush

Habit Plants 60–150 cm. Plants 20–40(–50) cm.
Stems

yellowish green, leafy at flowering, densely tomentose.

whitish, leafy, loosely tomentose.

Leaves

yellowish green;

blades 1-nerved, linear, 30–50 × 1–1.5 mm, faces glabrate.

grayish green;

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

Involucres

10–12.5 mm.

8–11.5 mm.

Corollas

9.5–11 mm, tubes mostly glabrous, lobes 0.7–1 mm, glabrous or villous;

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

13–19 (outer weakly keeled), apices erect, acute (outer) or acute to obtuse (inner), outer abaxial faces scurfy-tomentulose, inner glabrous.

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

Cypselae

usually glabrous, sometimes hairy;

pappi 9–10 mm.

glabrous;

pappi 5.2–7.4 mm.

2n

= 18.

= 18.

Ericameria nauseosa var. nitida

Ericameria nauseosa var. texensis

Phenology Flowering late summer–fall. Flowering fall.
Habitat Sandy gravels of dry streambeds Limestone cliffs and among boulders, less common on gravel alluvium of streambeds, associated with bigtooth maple, hornbeam, madrone, and yellow pine woodlands
Elevation 1200–1800 m (3900–5900 ft) 1500–2100 m (4900–6900 ft)
Distribution
from FNA
AZ; NM; UT
[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. 67. 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. 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. 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 Chrysothamnus nauseosus subsp. nitidus, Chrysothamnus nauseosus var. nitidus Chrysothamnus nauseosus subsp. texensis
Name authority (L. C. Anderson) G. L. Nesom & G. I. Baird: Phytologia 75: 87. (1993) (L. C. Anderson) G. L. Nesom & G. I. Baird: Phytologia 75: 88. (1993)
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