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Ericameria nauseosa var. graveolens
(Nuttall) Reveal & Schuyler
Family:
Asteraceae
rubber rabbitbrush
[
Chrysothamnus graveolens
(Nutt.) Greene,
more
Chrysothamnus nauseosus ssp. graveolens
(Nutt.) Piper,
Chrysothamnus nauseosus var. glabratus
(Gray) Cronq.,
Chrysothamnus nauseosus var. graveolens
(Nutt.) Piper ex Hall,
Chrysothamnus nauseosus var. petrophilus
Cronq.,
Ericameria nauseosa var. glabrata
(A. Gray) G.L. Nesom & Baird
]
Max Licher
Flora of North America
Resources
Lowell E. Urbatsch, Loran C. Anderson, Roland P. Roberts, Kurt M. Neubig in Flora of North America (vol. 20)
Plants
50-160 cm.
Stems
yellowish green to nearly white, leafy, compactly, smoothly tomentose.
Leaves
greenish; blades 3-nerved, broadly linear, 30-90 × 1-3 mm, faces often tomentulose.
Involucres
6-8 mm.
Phyllaries
14-18, apices erect, acute, abaxial faces usually glabrous, outer sometimes sparsely hairy.
Corollas
7-9+ mm, tubes puberulent or glabrous, lobes 0.6-1.5, glabrous; style appendages longer than stigmatic portions.
Cypselae
densely hairy;
pappi
4.9-6.5 mm.
2n
= 18. Flowering late summer-fall. On plains in slightly alkaline soils; 200-2000 m; Sask.; Ariz., Colo., Idaho, Kans., Mont., Nebr., Nev., N.Mex., N.Dak., Okla., S.Dak., Tex., Utah, Wyo.
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Max Licher
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