Ericameria nauseosa var. salicifolia

(Rydberg) G. L. Nesom & G. I. Baird

Phytologia 75: 87. 1993.

Common names: Willowlike rabbitbrush
Endemic
Basionym: Chrysothamnus salicifolius Rydberg Bull. Torrey Bot. Club 37: 130. 1910
Synonyms: Chrysothamnus nauseosus subsp. salicifolius (Rydberg) H. M. Hall & Clements
Treatment appears in FNA Volume 20. Treatment on page 68. Mentioned on page 63.

Plants 60–120 cm. Stems grayish to nearly green, leafy, loosely tomentose. Leaves grayish green; blades mostly 3–5-nerved, broadly linear, 40–90 × 3–6 (–10) mm, faces tomentulose. Involucres 7.5–9.5 (–10.5) mm. Phyllaries 11–17, apices erect, obtuse, outer abaxial faces glabrous or with apical tufts of hairs, inner frequently glabrous. Corollas 7.5–9.5 mm, tubes minutely puberulent, lobes 1–1.5 mm, glabrous; style appendages longer than stigmatic portions. Cypselae densely hairy; pappi 7.5–7.6 mm.


Phenology: Flowering later summer–fall.
Habitat: Sagebrush, pinyon-juniper, mountain brush, and aspen communities
Elevation: 1300–2900 m

Discussion

Variety salicifolia is known from Cache to Sevier counties. Intermediates between var. salicifolia and var. graveolens have been observed.

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 +
(Rydberg) G. L. Nesom & G. I. Baird +
decurrent +
Chrysothamnus salicifolius +
0.6 cm6 mm <br />0.006 m <br /> (1 cm10 mm <br />0.01 m <br />) +
4 cm40 mm <br />0.04 m <br /> (9 cm90 mm <br />0.09 m <br />) +
filiform;narrowly oblanceolate +
3mm;6mm +
rugulose +  and muricate +
tan +  and reddish +
subequal +
Willowlike rabbitbrush +
not 2-lipped +  and actinomorphic +
0.75 cm7.5 mm <br />0.0075 m <br /> (0.95 cm9.5 mm <br />0.0095 m <br />) +
turbinate +  and cylindric or oblanceoloid +
fertile +  and bisexual +
fertile +  and bisexual +
1300–2900 m +
resinous +
gland-dotted +
tomentulose +
pistillate +, staminate +  and neuter +
winged +  and beaked +
dispersed +
Sagebrush, pinyon-juniper, mountain brush, and aspen communities +
thyrsiform +, paniculiform +, branched +, racemiform +, cymiform +, discoid +  and radiate +
indeterminate +
heterogamous +  and homogamous +
each +  and sessile +
0.95 cm9.5 mm <br />0.0095 m <br /> (1.05 cm10.5 mm <br />0.0105 m <br />) +
0.6 cm6 mm <br />0.006 m <br /> (1.6 cm16 mm <br />0.016 m <br />) +
obconic;subcylindric +
0.75 cm7.5 mm <br />0.0075 m <br /> (0.95 cm9.5 mm <br />0.0095 m <br />) +
0.2 cm2 mm <br />0.002 m <br /> (0.4 cm4 mm <br />0.004 m <br />) +
sessile +  and petiolate +
grayish green +
erect;spreading or reflexed +
deltate +  and triangular +
raised +  and evident +
glabrous +  and with apical tufts +
2-carpellate +
persistent +
0.75 cm7.5 mm <br />0.0075 m <br /> (0.76 cm7.6 mm <br />0.0076 m <br />) +
0.1 cm1 mm <br />0.001 m <br /> (2 cm20 mm <br />0.02 m <br />) +
Flowering later 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 +
grayish +  and nearly green +
ascending +  and spreading +
lanceolate +  and subulate +
appendaged +  and truncate +
papillate +  and smooth +
Chrysothamnus nauseosus subsp. salicifolius +
Ericameria nauseosa var. salicifolia +
Ericameria nauseosa +
variety +
campanulate +
puberulent +
perennial +, biennial +  and annual +