Ericameria nauseosa var. arenaria

(L. C. Anderson) G. L. Nesom & G. I. Baird
Phytologia 75: 85. 1993.
Common names: Sand rabbitbrush
Endemic
Basionym: Chrysothamnus nauseosus subsp. arenarius L. C. Anderson Phytologia 38: 311, fig. 1. 1978
Synonyms: Chrysothamnus nauseosus var. arenarius (L. C. Anderson) S. L. Welsh
Treatment appears in FNA Volume 20. Treatment on page 64. Mentioned on page 63.

Plants 70–120 cm. Stems grayish green, moderately leafy, moderately compactly tomentose. Leaves grayish green; blades 1-nerved, linear, 40–75 × 0.8–1.1 mm, faces tomentose. Involucres 16–19 mm. Phyllaries (19–)22–27 (in strongly vertical ranks), apices ± recurved, cuspidate-aristate, abaxial faces glabrous or glabrescent. Corollas 12–14.2 mm, tubes glabrous, lobes 1.2–2 mm, glabrous; style appendages longer than stigmatic portions. Cypselae hairy; pappi 9.6–12.7 mm. 2n = 18.


Phenology: Flowering late summer–fall.
Habitat: Sandhills and sandstone cliffs
Elevation: 1500–2000 m

Discussion

Selected References

None.

Lower Taxa

None.

Lowell E. Urbatsch +, Loran C. Anderson +, Roland P. Roberts +  and Kurt M. Neubig +
(L. C. Anderson) G. L. Nesom & G. I. Baird +
Chrysothamnus nauseosus subsp. arenarius +
Sand rabbitbrush +
Ariz. +, N.Mex. +  and Utah. +
1500–2000 m +
Sandhills and sandstone cliffs +
Flowering late summer–fall. +
Chrysothamnus nauseosus var. arenarius +
Ericameria nauseosa var. arenaria +
Ericameria nauseosa +
variety +