Artemisia ludoviciana subsp. ludoviciana

Common names: Armoise de l’ouest
IllustratedEndemic
Synonyms: Artemisia brittonii Rydberg Artemisia cuneata Rydberg Artemisia diversifolia Rydberg Artemisia falcata Rydberg Artemisia gnaphaloides Nuttall Artemisia herriotii Rydberg Artemisia lindheimeriana Scheele Artemisia pabularis (A. Nelson) Rydberg Artemisia paucicephala A. Nelson Artemisia pudica Rydberg Artemisia purshiana Besser Artemisia rhizomata A. Nelson
Treatment appears in FNA Volume 19. Treatment on page 528. Mentioned on page 527.

Stems (gray to white) mostly simple, 30–80 cm, tomentose. Leaves gray; blades linear to narrowly elliptic, 3–11 cm, margins plane (proximalmost entire or apically lobed, lobes to 1/3 blade lengths; cauline 1.5–11 × 1–1.5 cm, entire or lobed to pinnatifid), faces densely tomentose. Heads in congested, paniculiform or racemiform arrays 5–30 × 1–4 cm. Involucres 3–4 × 2–4 mm. Florets: pistillate 5–12; bisexual 6–30; corollas 1.9–2.8 mm. 2n = 18, 36.


Phenology: Flowering mid summer–late fall.
Habitat: Disturbed roadsides, open meadows, rocky slopes
Elevation: 100–3000 m

Distribution

V19-909-distribution-map.gif

Alta., B.C., Man., N.B., Ont., P.E.I., Que., Sask., Ala., Ariz., Ark., Calif., Colo., Conn., Del., Ga., Idaho, Ill., Ind., Iowa, Kans., Ky., La., Maine, Md., Mass., Mich., Minn., Miss., Mo., Mont., Nebr., N.H., N.J., N.Mex., N.Y., N.C., N.Dak., Ohio, Okla., Pa., R.I., S.C., S.Dak., Tenn., Tex., Utah, Vt., Va., Wash., Wis., Wyo.

Discussion

Subspecies ludoviciana is widespread in North America in diverse habitats. It is the most common subspecies and the most variable morphologically.

Selected References

None.

Lower Taxa

None.
not tailed +  and obtuse +
scarious +
congested +  and open +
indeterminate +  and determinate +
Leila M. Shultz +
Nuttall +
decurrent +
compound +  and simple +
elliptic +  and linear to narrowly +
1.5 cm15 mm <br />0.015 m <br /> (11 cm110 mm <br />0.11 m <br />) +
lobed;relatively deeply pinnatifid +
3 cm30 mm <br />0.03 m <br /> (11 cm110 mm <br />0.11 m <br />) +
0.5cm;4cm +
fertile +  and bisexual +
Armoise de l’ouest +
zygomorphic +, actinomorphic +  and (3-)5-merous +
red-tinged +  and yellow +
0.19 cm1.9 mm <br />0.0019 m <br /> (0.28 cm2.8 mm <br />0.0028 m <br />) +
winged +  and monomorphic +
ellipsoid +
fertile +  and bisexual +
fertile +  and bisexual +
Alta. +, B.C. +, Man. +, N.B. +, Ont. +, P.E.I. +, Que. +, Sask. +, Ala. +, Ariz. +, Ark. +, Calif. +, Colo. +, Conn. +, Del. +, Ga. +, Idaho +, Ill. +, Ind. +, Iowa +, Kans. +, Ky. +, La. +, Maine +, Md. +, Mass. +, Mich. +, Minn. +, Miss. +, Mo. +, Mont. +, Nebr. +, N.H. +, N.J. +, N.Mex. +, N.Y. +, N.C. +, N.Dak. +, Ohio +, Okla. +, Pa. +, R.I. +, S.C. +, S.Dak. +, Tenn. +, Tex. +, Utah +, Vt. +, Va. +, Wash. +, Wis. +  and Wyo. +
100–3000 m +
gland-dotted +
peripheral +
winged +  and beaked +
dispersed +
Disturbed roadsides, open meadows, rocky slopes +
racemiform +  and paniculiform +
in subcapitate clusters +  and singly +
indeterminate +
5 cm50 mm <br />0.05 m <br /> (30 cm300 mm <br />0.3 m <br />) +
heterogamous +  and homogamous +
1 cm10 mm <br />0.01 m <br /> (4 cm40 mm <br />0.04 m <br />) +
each +  and sessile +
0.4 cm4 mm <br />0.004 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
0.5 cm5 mm <br />0.005 m <br /> (0.8 cm8 mm <br />0.008 m <br />) +
0.15 cm1.5 mm <br />0.0015 m <br /> (0.8 cm8 mm <br />0.008 m <br />) +
0.3 cm3 mm <br />0.003 m <br /> (0.4 cm4 mm <br />0.004 m <br />) +
turbinate;campanulate +
0.2 cm2 mm <br />0.002 m <br /> (0.4 cm4 mm <br />0.004 m <br />) +
sessile +  and petiolate +
persistent +  and deciduous +
deltate +
entire +  and dentate +
2-carpellate +
persistent +
Flowering mid summer–late fall. +
2 +  and 20 +
Gen. N. Amer. Pl. +
styliferous +, neuter +  and pistillate +
sterile +  and fertile +
conic;convex;conic;convex;flat +
2 +  and 5 +
exalbuminous +
Illustrated +  and Endemic +
gray-green +
relatively few +  and relatively numerous +
wand-like +
30 cm300 mm <br />0.3 m <br /> (80 cm800 mm <br />0.8 m <br />) +
appendaged +  and truncate +
papillate +
Artemisia brittonii +, Artemisia cuneata +, Artemisia diversifolia +, Artemisia falcata +, Artemisia gnaphaloides +, Artemisia herriotii +, Artemisia lindheimeriana +, Artemisia pabularis +, Artemisia paucicephala +, Artemisia pudica +, Artemisia purshiana +  and Artemisia rhizomata +
Artemisia ludoviciana subsp. ludoviciana +
Artemisia ludoviciana +
subspecies +
funnel +  and subglobose +
cylindric +
fibrous-rooted +  and taprooted +
20 cm200 mm <br />0.2 m <br /> (80 cm800 mm <br />0.8 m <br />) +
shrub +  and subshrub +