Ericameria nauseosa var. graveolens

(Nuttall) Reveal & Schuyler

Proc. Acad. Nat. Sci. Philadelphia 149: 20. 1999.

Common names: Pungent rabbitbrush
Endemic
Basionym: Chrysocoma graveolens Nuttall Gen. N. Amer. Pl. 2: 136. 1818
Synonyms: Chrysothamnus nauseosus subsp. graveolens (Nuttall) H. M. Hall & Clements Chrysothamnus nauseosus var. graveolens (Nuttall) H. M. Hall Ericameria nauseosa var. glabrata (A. Gray) G. L. Nesom & G. I. Baird
Treatment appears in FNA Volume 20. Treatment on page 65. Mentioned on page 63, 68.
Revision as of 20:58, 29 July 2020 by imported>Volume Importer
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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.


Phenology: Flowering late summer–fall.
Habitat: On plains in slightly alkaline soils
Elevation: 200–2000 m

Distribution

V20-105-distribution-map.gif

Sask., Ariz., Colo., Idaho, Kans., Mont., Nebr., Nev., N.Mex., N.Dak., Okla., S.Dak., Tex., Utah, Wyo.

Discussion

Selected References

None.

Lower Taxa

None.

"fine" is not a number.

hairy +  and glabrous +
not tailed +, rounded +  and obtuse +
distinct +
subequal +
scarious +
usually triangular +  and linear +
usually deltate +  and lanceolate +
indeterminate +  and determinate +
rounded +  and flat-topped +
Lowell E. Urbatsch +, Loran C. Anderson +, Roland P. Roberts +  and Kurt M. Neubig +
(Nuttall) Reveal & Schuyler +
decurrent +
Chrysocoma graveolens +
3 cm30 mm <br />0.03 m <br /> (9 cm90 mm <br />0.09 m <br />) +
filiform;narrowly oblanceolate +
0.1 cm1 mm <br />0.001 m <br /> (0.3 cm3 mm <br />0.003 m <br />) +
rugulose +  and muricate +
tan +  and reddish +
subequal +
Pungent rabbitbrush +
not 2-lipped +  and actinomorphic +
0.7 cm7 mm <br />0.007 m <br /> (0.9 cm9 mm <br />0.009 m <br />) +
turbinate +  and cylindric or oblanceoloid +
fertile +  and bisexual +
fertile +  and bisexual +
Sask. +, Ariz. +, Colo. +, Idaho +, Kans. +, Mont. +, Nebr. +, Nev. +, N.Mex. +, N.Dak. +, Okla. +, S.Dak. +, Tex. +, Utah +  and Wyo. +
200–2000 m +
resinous +
gland-dotted +
tomentulose +
pistillate +, staminate +  and neuter +
winged +  and beaked +
dispersed +
On plains in slightly alkaline soils +
thyrsiform +, paniculiform +, branched +, racemiform +, cymiform +, discoid +  and radiate +
indeterminate +
heterogamous +  and homogamous +
each +  and sessile +
0.6 cm6 mm <br />0.006 m <br /> (1.6 cm16 mm <br />0.016 m <br />) +
obconic;subcylindric +
0.6 cm6 mm <br />0.006 m <br /> (0.8 cm8 mm <br />0.008 m <br />) +
0.2 cm2 mm <br />0.002 m <br /> (0.4 cm4 mm <br />0.004 m <br />) +
sessile +  and petiolate +
usually ascending +  and spreading +
erect;spreading or reflexed +
deltate +  and triangular +
raised +  and evident +
2-carpellate +
persistent +
0.49 cm4.9 mm <br />0.0049 m <br /> (0.65 cm6.5 mm <br />0.0065 m <br />) +
0.1 cm1 mm <br />0.001 m <br /> (2 cm20 mm <br />0.02 m <br />) +
Flowering late summer–fall. +
0.15 cm1.5 mm <br />0.0015 m <br /> (1.4 cm14 mm <br />0.014 m <br />) +
ovate +  and lanceolate +
0.07 cm0.7 mm <br />7.0e-4 m <br /> (0.15 cm1.5 mm <br />0.0015 m <br />) +
Proc. Acad. Nat. Sci. Philadelphia +
bearing subulate enations +, hairy +  and bristly +
exalbuminous +
resinous +
yellowish green +  and nearly white +
ascending +  and spreading +
lanceolate +  and subulate +
appendaged +  and truncate +
papillate +  and smooth +
Chrysothamnus nauseosus subsp. graveolens +, Chrysothamnus nauseosus var. graveolens +  and Ericameria nauseosa var. glabrata +
Ericameria nauseosa var. graveolens +
Ericameria nauseosa +
variety +
campanulate +
glabrous +  and puberulent +
perennial +, biennial +  and annual +