Ericameria linearis

(Rydberg) R. P. Roberts & Urbatsch

Sida 21: 1560. 2005.

Common names: Wyoming goldenbush linear-leaved discoid gumweed
Endemic
Basionym: Macronema lineare Rydberg Mem. New York Bot. Gard. 1: 384. 1900
Synonyms: Ericameria discoidea var. linearis (Rydberg) G. L. Nesom Haplopappus macronema subsp. linearis (Rydberg) H. M. Hall Haplopappus macronema var. linearis (Rydberg) Dorn
Treatment appears in FNA Volume 20. Treatment on page 61. Mentioned on page 52.

Plants 10–40 cm. Stems erect to spreading, green when young, becoming brown, branched proximally, densely floccose-tomentose, eglandular. Leaves ascending; blades linear (adaxially sulcate), 10–30 × 1–2 mm, midnerves evident, apices acute, faces mostly densely tomentose, stipitate-glandular; sometimes with axillary leaf fascicles. Heads borne singly or in cymiform arrays. Peduncles 2–20 mm (usually leafy). Involucres obconic, 9–11 × 6–9 mm. Phyllaries 20–30 in 2–3 series, green to tan, oblong to lanceolate, 5–10 × 0.8–1.5 mm, subequal, mostly chartaceous, outer herbaceous or herbaceous-tipped, midnerves usually evident, apices acute to acuminate, abaxial faces hairy, stipitate-glandular. Ray-florets 0. Disc-florets 10–22; corollas 9–11 mm. Cypselae brownish, narrowly oblong, 5–6 mm, densely hairy; pappi tan, 8–10 mm.


Phenology: Flowering late summer–fall.
Habitat: Dry, stony slopes
Elevation: ca. 2300 m

Discussion

Selected References

None.

Lower Taxa

None.

"fine" is not a number.

... more about "Ericameria linearis"
stipitate-glandular +  and hairy +
not tailed +, rounded +  and obtuse +
distinct +
subequal +
scarious +
usually triangular +  and linear +
usually deltate +  and lanceolate +
indeterminate +  and determinate +
Lowell E. Urbatsch +, Loran C. Anderson +, Roland P. Roberts +  and Kurt M. Neubig +
(Rydberg) R. P. Roberts & Urbatsch +
decurrent +
Macronema lineare +
compound +  and simple +
1 cm10 mm <br />0.01 m <br /> (3 cm30 mm <br />0.03 m <br />) +
spatulate;obovate;spatulate;obovate;oblanceolate;linear;lanceolate;filiform;elliptic;cuneate +
1mm;2mm +
rugulose +  and muricate +
tan +  and reddish +
subequal +
Wyoming goldenbush +  and linear-leaved discoid gumweed +
not 2-lipped +  and actinomorphic +
0.9 cm9 mm <br />0.009 m <br /> (1.1 cm11 mm <br />0.011 m <br />) +
fertile +  and bisexual +
fertile +  and bisexual +
Mont. +  and Wyo. +
ca. 2300 m +
resinous +
gland-dotted;gland-dotted +
stipitate-glandular +  and tomentose +
pistillate +, staminate +  and neuter +
winged +  and beaked +
dispersed +
Dry, stony slopes +
thyrsiform +, paniculiform +, branched +, racemiform +, cymiform +, discoid +  and radiate +
in cymiform arrays +  and singly +
indeterminate +
heterogamous +  and homogamous +
each +  and sessile +
0.9 cm9 mm <br />0.009 m <br /> (1.1 cm11 mm <br />0.011 m <br />) +
0.6 cm6 mm <br />0.006 m <br /> (0.9 cm9 mm <br />0.009 m <br />) +
sessile +  and petiolate +
erect;spreading or reflexed +
deltate +  and triangular +
2-carpellate +
persistent +
0.8 cm8 mm <br />0.008 m <br /> (1 cm10 mm <br />0.01 m <br />) +
0.2 cm2 mm <br />0.002 m <br /> (2 cm20 mm <br />0.02 m <br />) +
Flowering late summer–fall. +
green +  and tan +
0.5 cm5 mm <br />0.005 m <br /> (1 cm10 mm <br />0.01 m <br />) +
oblong +  and lanceolate +
0.08 cm0.8 mm <br />8.0e-4 m <br /> (0.15 cm1.5 mm <br />0.0015 m <br />) +
bearing subulate enations +, hairy +  and bristly +
exalbuminous +
eglandular +  and branched +
resinous +
brown +  and green +
erect +  and spreading +
lanceolate +  and subulate +
appendaged +  and truncate +
papillate +  and smooth +
Ericameria discoidea var. linearis +, Haplopappus macronema subsp. linearis +  and Haplopappus macronema var. linearis +
Ericameria linearis +
Ericameria +
species +
campanulate +
perennial +, biennial +  and annual +