Ericameria albida

(M. E. Jones ex A. Gray) L. C. Anderson

Great Basin Naturalist 55: 86. 1995.

Common names: Whiteflower rabbitbrush
Endemic
Basionym: Bigelowia albida M. E. Jones ex A. Gray Proc. Amer. Acad. Arts 17: 209. 1881 (as Bigelovia)
Synonyms: Chrysothamnus albidus (M. E. Jones ex A. Gray) Greene
Treatment appears in FNA Volume 20. Treatment on page 54. Mentioned on page 53.

Plants 10–150 cm. Stems erect to ascending, pale green when young, becoming whitish, fastigiately branched, glabrous, resinous at and distal to nodes. Leaves usually ascending, recurved when older; blades filiform (adaxially sulcate), 15–35 × 0.5–2 mm, midnerves obscure, apices acute, often mucronate, faces glabrous, gland-dotted (in pits and sessile); axillary leaf fascicles often present. Heads in rounded, cymiform arrays (to 5 cm wide). Peduncles usually less than 10 mm (ebracteate). Involucres turbinate, 6–10 × 2–4 mm. Phyllaries 15–20 in 3–4 series, green to tan, ovate to lanceolate, 1.5–6 × 0.7–1.5 mm, unequal, outer herbaceous or herbaceous-tipped, inner mostly chartaceous (bodies truncate or tapering gradually or abruptly to bases of herbaceous appendages), midnerves faint (margins membranous, usually ciliate), apices (outer and mid) cuspidate (tips squarrose), abaxial faces glabrous, resinous. Ray-florets 0. Disc-florets 5–7; corollas 4.7–7 mm. Cypselae tan, narrowly turbinate to subcylindric or narrowly ellipsoid, 4–5 mm (5-ribbed), moderately hairy to sericeous, often gland-dotted (glands spheric, glistening) distally; pappi whitish, 4.5–5.5 mm. 2n = 18.


Phenology: Flowering late summer–fall.
Habitat: Dry, alkaline plains, sandy or silty soils
Elevation: 300–1800 m

Discussion

Ericameria albida is common in the Great Basin region.

Selected References

None.

Lower Taxa

None.

"fine" is not a number.

... more about "Ericameria albida"
not tailed +, rounded +  and obtuse +
distinct +
subequal +
scarious +
usually triangular +  and linear +
usually deltate +  and lanceolate +
indeterminate +  and determinate +
rounded +
Lowell E. Urbatsch +, Loran C. Anderson +, Roland P. Roberts +  and Kurt M. Neubig +
(M. E. Jones ex A. Gray) L. C. Anderson +
decurrent +
Bigelowia albida +
compound +  and simple +
1.5 cm15 mm <br />0.015 m <br /> (3.5 cm35 mm <br />0.035 m <br />) +
filiform +
0.5mm;2mm +
rugulose +  and muricate +
tan +  and reddish +
subequal +
Whiteflower rabbitbrush +
not 2-lipped +  and actinomorphic +
0.47 cm4.7 mm <br />0.0047 m <br /> (0.7 cm7 mm <br />0.007 m <br />) +
gland-dotted +  and tan +
moderately hairy +  and sericeous +
narrowly turbinate +  and subcylindric or narrowly ellipsoid +
fertile +  and bisexual +
fertile +  and bisexual +
Calif. +, Nev. +  and Utah. +
300–1800 m +
resinous +
gland-dotted +
pistillate +, staminate +  and neuter +
winged +  and beaked +
dispersed +
Dry, alkaline plains, sandy or silty 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 cm10 mm <br />0.01 m <br />) +
0.2 cm2 mm <br />0.002 m <br /> (0.4 cm4 mm <br />0.004 m <br />) +
sessile +  and petiolate +
erect;spreading or reflexed +
deltate +  and triangular +
faint +  and obscure +
2-carpellate +
persistent +
0.45 cm4.5 mm <br />0.0045 m <br /> (0.55 cm5.5 mm <br />0.0055 m <br />) +
0 cm0 mm <br />0 m <br /> (1 cm10 mm <br />0.01 m <br />) +
Flowering late summer–fall. +
green +  and tan +
0.15 cm1.5 mm <br />0.0015 m <br /> (0.6 cm6 mm <br />0.006 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 />) +
Great Basin Naturalist +
bearing subulate enations +, hairy +  and bristly +
exalbuminous +
resinous +
whitish +  and pale green +
erect +  and ascending +
lanceolate +  and subulate +
appendaged +  and truncate +
papillate +  and smooth +
Chrysothamnus albidus +
Ericameria albida +
Ericameria +
species +
campanulate +
perennial +, biennial +  and annual +