Artemisia campestris subsp. caudata

(Michaux) H. M. Hall & Clements

Publ. Carnegie Inst. Wash. 326: 122. 1923.

Common names: Armoise caudée
Endemic
Basionym: Artemisia caudata Michaux Fl. Bor.-Amer. 2: 129. 1803
Synonyms: Artemisia forwoodii A. Gray
Treatment appears in FNA Volume 19. Treatment on page 507. Mentioned on page 506.

Biennials, 20–80 (–150) cm. Stems usually 1. Leaves: basal rosettes not persistent (faces green and glabrous or sparsely white-pubescent). Heads in arrays 12–30 (–35) × 1–8 (–12) cm. Involucres turbinate, 2–3 × 2–3 mm.


Phenology: Flowering early–late summer.
Habitat: Open meadows, usually moist soils, sometimes sandy or rocky habitats
Elevation: 10–1000 m

Distribution

V19-854-distribution-map.gif

Ont., Que., Sask., Ark., Colo., Conn., Fla., Ill., Ind., Iowa, Kans., Maine, 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., Tex., Vt., Wis.

Discussion

A population of Artemisia campestris found in Massachusetts differs from populations of subsp. caudata by its smaller heads and multiple branched stems. That population is typical of subsp. campestris, formerly believed to be restricted to Europe.

Selected References

None.

Lower Taxa

None.
not tailed +  and obtuse +
scarious +
paniculiform +
indeterminate +  and determinate +
Leila M. Shultz +
(Michaux) H. M. Hall & Clements +
4 cm40 mm <br />0.04 m <br /> (12 cm120 mm <br />0.12 m <br />) +
decurrent +
Artemisia caudata +
compound +  and simple +
entire;toothed;3-lobed;entire;toothed;3-lobed;lobed;spatulate;flabellate;spatulate;flabellate;cuneate;obovate;oblanceolate;oblong;elliptic;ovate;lanceolate;linear;filiform +
2 cm20 mm <br />0.02 m <br /> (4 cm40 mm <br />0.04 m <br />) +
Armoise caudée +
zygomorphic +, actinomorphic +  and (3-)5-merous +
glabrous +  and hairy +
compressed +  and oblong-lanceoloid +
fertile +  and bisexual +
fertile +  and bisexual +
Ont. +, Que. +, Sask. +, Ark. +, Colo. +, Conn. +, Fla. +, Ill. +, Ind. +, Iowa +, Kans. +, Maine +, 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. +, Tex. +, Vt. +  and Wis. +
10–1000 m +
gland-dotted +
white-pubescent +
staminate +  and pistillate +
winged +  and beaked +
dispersed +
Open meadows, usually moist soils, sometimes sandy or rocky habitats +
spiciform +  and racemiform +
in subcapitate clusters +  and singly +
30 cm300 mm <br />0.3 m <br /> (35 cm350 mm <br />0.35 m <br />) +
8 cm80 mm <br />0.08 m <br /> (12 cm120 mm <br />0.12 m <br />) +
indeterminate +
12 cm120 mm <br />0.12 m <br /> (30 cm300 mm <br />0.3 m <br />) +
heterogamous +  and homogamous +
1 cm10 mm <br />0.01 m <br /> (8 cm80 mm <br />0.08 m <br />) +
each +  and sessile +
0.3 cm3 mm <br />0.003 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
0.35 cm3.5 mm <br />0.0035 m <br /> (0.7 cm7 mm <br />0.007 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 /> (0.3 cm3 mm <br />0.003 m <br />) +
0.2 cm2 mm <br />0.002 m <br /> (0.3 cm3 mm <br />0.003 m <br />) +
sessile +  and petiolate +
deciduous +  and persistent +
linear +  and narrowly oblong +
entire +  and dentate +
2-carpellate +
persistent +
Flowering early–late summer. +
villous-tomentose +  and glabrous +
2 +  and 20 +
Publ. Carnegie Inst. Wash. +
styliferous +, neuter +  and pistillate +
sterile +  and fertile +
conic;convex;conic;convex;flat +
2 +  and 5 +
exalbuminous +
reddish-brown +
wand-like +
appendaged +  and truncate +
papillate +
Artemisia forwoodii +
Artemisia campestris subsp. caudata +
Artemisia campestris +
subspecies +
funnel +  and subglobose +
cylindric +
80 cm800 mm <br />0.8 m <br /> (150 cm1,500 mm <br />1.5 m <br />) +
20 cm200 mm <br />0.2 m <br /> (80 cm800 mm <br />0.8 m <br />) +
taprooted +  and fibrous-rooted +