Ericameria nauseosa var. nitida

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

Phytologia 75: 87. 1993.

Common names: Shiny-bract rabbitbrush
Endemic
Basionym: Chrysothamnus nauseosus subsp. nitidus L. C. Anderson Phytologia 38: 313, fig. 2. 1978
Synonyms: Chrysothamnus nauseosus var. nitidus (L. C. Anderson) S. L. Welsh
Treatment appears in FNA Volume 20. Treatment on page 67. Mentioned on page 62, 63, 64.

Plants 60–150 cm. Stems yellowish green, leafy at flowering, densely tomentose. Leaves yellowish green; blades 1-nerved, linear, 30–50 × 1–1.5 mm, faces glabrate. Involucres 10–12.5 mm. Phyllaries 13–19 (outer weakly keeled), apices erect, acute (outer) or acute to obtuse (inner), outer abaxial faces scurfy-tomentulose, inner glabrous. Corollas 9.5–11 mm, tubes mostly glabrous, lobes 0.7–1 mm, glabrous or villous; style appendages longer than stigmatic portions. Cypselae usually glabrous, sometimes hairy; pappi 9–10 mm. 2n = 18.


Phenology: Flowering late summer–fall.
Habitat: Sandy gravels of dry streambeds
Elevation: 1200–1800 m

Discussion

Selected References

None.

Lower Taxa

None.

"fine" is not a number.

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 +
(L. C. Anderson) G. L. Nesom & G. I. Baird +
decurrent +
Chrysothamnus nauseosus subsp. nitidus +
3 cm30 mm <br />0.03 m <br /> (5 cm50 mm <br />0.05 m <br />) +
filiform;narrowly oblanceolate +
1mm;1.5mm +
rugulose +  and muricate +
tan +  and reddish +
subequal +
Shiny-bract rabbitbrush +
not 2-lipped +  and actinomorphic +
0.95 cm9.5 mm <br />0.0095 m <br /> (1.1 cm11 mm <br />0.011 m <br />) +
hairy +  and glabrous +
turbinate +  and cylindric or oblanceoloid +
fertile +  and bisexual +
fertile +  and bisexual +
Ariz. +, N.Mex. +  and Utah. +
1200–1800 m +
resinous +
gland-dotted +
pistillate +, staminate +  and neuter +
winged +  and beaked +
dispersed +
Sandy gravels of dry streambeds +
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 +
1 cm10 mm <br />0.01 m <br /> (1.25 cm12.5 mm <br />0.0125 m <br />) +
0.2 cm2 mm <br />0.002 m <br /> (0.4 cm4 mm <br />0.004 m <br />) +
sessile +  and petiolate +
yellowish green +
erect;spreading or reflexed +
villous +  and glabrous +
deltate +  and triangular +
raised +  and evident +
glabrous +  and scurfy-tomentulose +
2-carpellate +
persistent +
0.9 cm9 mm <br />0.009 m <br /> (1 cm10 mm <br />0.01 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 />) +
bearing subulate enations +, hairy +  and bristly +
exalbuminous +
resinous +
yellowish green +
ascending +  and spreading +
lanceolate +  and subulate +
appendaged +  and truncate +
papillate +  and smooth +
Chrysothamnus nauseosus var. nitidus +
Ericameria nauseosa var. nitida +
Ericameria nauseosa +
variety +
campanulate +
perennial +, biennial +  and annual +