Artemisia carruthii

Alph. Wood ex Carruth

Trans. Kansas Acad. Sci. 5: 51. 1877.

Common names: Carruth wormwood
Synonyms: Artemisia bakeri Greene Artemisia coloradensis Osterhout Artemisia kansana Britton Artemisia vulgaris subsp. wrightii (A. Gray) H. M. Hall & Clements Artemisia wrightii A. Gray
Treatment appears in FNA Volume 19. Treatment on page 524. Mentioned on page 522.

Perennials, 15–40 (–70) cm, faintly aromatic (rhizomatous). Stems mostly 3–8, ascending, brown to gray-green, simple (bases curved, somewhat woody), sparsely to densely tomentose. Leaves cauline, bicolor (± gray-green); blades narrowly elliptic, 0.1–2.5 (–3) × 0.5–1 cm (gradually smaller distally), relatively deeply pinnatifid (lobes 3–5), faces densely tomentose (abaxial) to sparsely hairy (adaxial). Heads (usually nodding) in (leafy) paniculiform arrays 10–30 × 3–9 cm (branches erect). Involucres campanulate, 2–2.5 (–3) × 1.5–3 mm. Phyllaries lanceolate, gray-tomentose. Florets: pistillate 1–5; bisexual 7–25; corollas pale-yellow, 1–2 mm, glandular-pubescent. Cypselae (light-brown) cylindro-elliptic, ca. 0.5 mm, (curved at summits, scarcely nerved), glabrous (shining). 2n = 18.


Phenology: Flowering mid summer–early fall.
Habitat: Open sites, usually sandy soils, wooded areas, grasslands, railroads
Elevation: 600–2900 m

Distribution

V19-896-distribution-map.gif

Ariz., Colo., Kans., Mich., Mo., N.Mex., Okla., Tex., Utah, Mexico (Chihuahua), Mexico (Sonora)

Discussion

Artemisia carruthii is closely related to members of the A. ludoviciana complex, with which it may intergrade.

Selected References

None.

Lower Taxa

None.
... more about "Artemisia carruthii"
not tailed +  and obtuse +
scarious +
spiciform +, racemiform +, paniculiform +  and corymbiform +
indeterminate +  and determinate +
Leila M. Shultz +
Alph. Wood ex Carruth +
decurrent +
compound +  and simple +
2.5 cm25 mm <br />0.025 m <br /> (3 cm30 mm <br />0.03 m <br />) +
0.1 cm1 mm <br />0.001 m <br /> (2.5 cm25 mm <br />0.025 m <br />) +
pinnatifid +
0.5cm;1cm +
fertile +  and bisexual +
Carruth wormwood +
zygomorphic +, actinomorphic +  and (3-)5-merous +
glandular-pubescent +
0.1 cm1 mm <br />0.001 m <br /> (0.2 cm2 mm <br />0.002 m <br />) +
winged +  and monomorphic +
fertile +  and bisexual +
fertile +  and bisexual +
Ariz. +, Colo. +, Kans. +, Mich. +, Mo. +, N.Mex. +, Okla. +, Tex. +, Utah +, Mexico (Chihuahua) +  and Mexico (Sonora) +
600–2900 m +
gland-dotted +
densely tomentose +  and sparsely hairy +
peripheral +
winged +  and beaked +
dispersed +
Open sites, usually sandy soils, wooded areas, grasslands, railroads +
spiciform +  and racemiform +
in subcapitate clusters +  and singly +
indeterminate +
10 cm100 mm <br />0.1 m <br /> (30 cm300 mm <br />0.3 m <br />) +
heterogamous +  and homogamous +
3 cm30 mm <br />0.03 m <br /> (9 cm90 mm <br />0.09 m <br />) +
each +  and sessile +
0.25 cm2.5 mm <br />0.0025 m <br /> (0.3 cm3 mm <br />0.003 m <br />) +
0.15 cm1.5 mm <br />0.0015 m <br /> (0.8 cm8 mm <br />0.008 m <br />) +
0.2 cm2 mm <br />0.002 m <br /> (0.25 cm2.5 mm <br />0.0025 m <br />) +
campanulate +
0.15 cm1.5 mm <br />0.0015 m <br /> (0.3 cm3 mm <br />0.003 m <br />) +
sessile +  and petiolate +
persistent +  and deciduous +
deltate +
entire +  and dentate +
2-carpellate +
persistent +
Flowering mid summer–early fall. +
gray-tomentose +
2 +  and 20 +
Trans. Kansas Acad. Sci. +
styliferous +, neuter +  and pistillate +
sterile +  and fertile +
conic;convex;conic;convex;flat +
2 +  and 5 +
exalbuminous +
brown +  and gray-green +
3 +  and 8 +
wand-like +
appendaged +  and truncate +
papillate +
Artemisia bakeri +, Artemisia coloradensis +, Artemisia kansana +, Artemisia vulgaris subsp. wrightii +  and Artemisia wrightii +
Artemisia carruthii +
Artemisia subg. Artemisia +
species +
funnel +  and subglobose +
cylindric +
fibrous-rooted +  and taprooted +
40 cm400 mm <br />0.4 m <br /> (70 cm700 mm <br />0.7 m <br />) +
15 cm150 mm <br />0.15 m <br /> (40 cm400 mm <br />0.4 m <br />) +
shrub +  and subshrub +