Chrysothamnus scopulorum

(M. E. Jones) Urbatsch

Sida 21: 1626. 2005.

Common names: Grand Canyon glowweed or evening-daisy
Endemic
Basionym: Bigelowia menziesii var. scopulorum M. E. Jones Proc. Calif. Acad. Sci., ser. 2, 5: 692. 1895 (as Bigelovia)
Synonyms: Haplopappus scopulorum (M. E. Jones) S. F. Blake Haplopappus scopulorum var. hirtellus S. F. Blake Hesperodoria scopulorum
Treatment appears in FNA Volume 20. Treatment on page 190. Mentioned on page 188.

Shrubs, 30–100 cm; with woody, ± wandlike, branched caudices, bark tan to gray, fairly smooth, flaky with age. Stems ascending, green, becoming tan, glabrous or puberulent. Leaves ascending to spreading; sessile; blades usually 5-nerved, linear to narrowly elliptic or lanceolate, 7–80 × 1–12 mm, flat, margins often ciliolate, apices attenuate to spinulose, faces glabrous or scabrellous. Heads in usually cymiform to corymbiform, rarely racemiform arrays, not overtopped by distal leaves. Involucres obconic to subcylindric, 6.5–12 × 3–5 mm. Phyllaries 50–60+ in 5–6 (–7) series, ± in spirals, tan, midnerves greenish to brown, raised, ± expanded apically, oblong to elliptic, 1–8.5 × 1–2 mm, unequal, mostly chartaceous, apices acute to rounded, erect, ± thickened, faces glabrous, not resinous. Disc-florets 10–16 (–20); corollas 5.5–8 mm, lobes 1.5–2.3 mm; style-branches 2.8–3.7 mm, appendages 1.4–1.9 mm. Cypselae reddish-brown, cylindric, 4–6 mm, ± 4-angled, faces hairy; pappi tan, 6–7.5 mm. 2n = 18 (as Haplopappus scopulorum).


Phenology: Flowering late summer–fall.
Habitat: Brushy mountain slopes, ponderosa pine communities
Elevation: 1200–2200 m

Discussion

Selected References

None.

Lower Taxa

None.
... more about "Chrysothamnus scopulorum"
not tailed +, rounded +  and obtuse +
distinct +
subequal +
scarious +
usually triangular +  and linear +
usually deltate +  and lanceolate +
spiciform +, racemiform +, paniculiform +  and corymbiform +
indeterminate +  and determinate +
Lowell E. Urbatsch +, Roland P. Roberts +  and Kurt M. Neubig +
(M. E. Jones) Urbatsch +
tan +  and gray +
decurrent +
Bigelowia menziesii var. scopulorum +
0.7 cm7 mm <br />0.007 m <br /> (8 cm80 mm <br />0.08 m <br />) +
lanceolate;elliptic +
1mm;12mm +
rugulose +  and muricate +
barbellulate +  and barbellate +
wand-like +
Grand Canyon glowweed or evening-daisy +
not 2-lipped +  and actinomorphic +
0.55 cm5.5 mm <br />0.0055 m <br /> (0.8 cm8 mm <br />0.008 m <br />) +
reddish-brown +
4-angled +  and cylindric +
fertile +  and bisexual +
Ariz. +  and Utah. +
1200–2200 m +
not resinous +
gland-dotted +
hairy +  and glabrous +
scabrellous +
pistillate +, staminate +  and neuter +
winged +  and beaked +
dispersed +
Brushy mountain slopes, ponderosa pine communities +
racemiform +, usually cymiform +  and corymbiform +
in condensed cymiform clusters +  and singly +
indeterminate +
heterogamous +  and homogamous +
each +  and sessile +
0.65 cm6.5 mm <br />0.0065 m <br /> (1.2 cm12 mm <br />0.012 m <br />) +
obconic;subcylindric +
0.3 cm3 mm <br />0.003 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
erect;spreading +
triangular +  and lanceolate +
greenish +  and brown +
1mm +  and 8.5mm +
oblong +  and elliptic +
unequal +  and expanded +
1mm +  and 2mm +
2-carpellate +
persistent +
0.6 cm6 mm <br />0.006 m <br /> (0.75 cm7.5 mm <br />0.0075 m <br />) +
Flowering late summer–fall. +
lanceolate +  and ovate or obovate +
styliferous +, neuter +  and pistillate +
bearing subulate enations +, hairy +  and bristly +
exalbuminous +
resinous +
tan +  and green +
appendaged +  and truncate +
papillate +  and smooth +
Haplopappus scopulorum +, Haplopappus scopulorum var. hirtellus +  and Hesperodoria scopulorum +
Chrysothamnus scopulorum +
Chrysothamnus +
species +
campanulate +
perennial +, biennial +  and annual +