Difference between revisions of "Ericameria nauseosa var. iridis"

(L. C. Anderson) G. L. Nesom & G. I. Baird

Phytologia 75: 86. 1993.

Common names: Rainbow Hills rabbitbrush
Basionym: Chrysothamnus nauseosus subsp. iridis L. C. Anderson Great Basin Naturalist 41: 311. 1981
Synonyms: Chrysothamnus nauseosus var. iridis (L. C. Anderson) S. L. Welsh
Treatment appears in FNA Volume 20. Treatment on page 65. Mentioned on page 63.
FNA>Volume Importer
FNA>Volume Importer
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Revision as of 18:40, 24 September 2019

Plants 10–20 cm. Stems grayish green (at least when young), leafy, faces ± compactly tomentose. Leaves grayish green; blades 1-nerved, linear, 15–40 × 0.8–1 mm, compactly tomentose. Involucres 12–16 mm. Phyllaries 20–26, apices erect, acute to acuminate, abaxial faces glabrous. Corollas 7.8–8.7 mm, tubes glabrous, lobes 1.5–2 mm, glabrous; style appendages longer than stigmatic portions. Cypselae glabrous; pappi 5.2–5.8 mm. 2n = 18.


Phenology: Flowering late summer.
Habitat: Steep slopes on ± barren, gypsiferous, Arapien shale
Elevation: ca. 2000 m

Discussion

Of conservation concern.

Variety iridis is known only from Sevier County.

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. iridis +
Rainbow Hills rabbitbrush +
ca. 2000 m +
Steep slopes on ± barren, gypsiferous, Arapien shale +
Flowering late summer. +
Chrysothamnus nauseosus var. iridis +
Ericameria nauseosa var. iridis +
Ericameria nauseosa +
variety +