Artemisia abrotanum

Linnaeus

Sp. Pl. 2: 845. 1753.

Common names: Southernwood lad’s love old man armoise aurone
Introduced
Treatment appears in FNA Volume 19. Treatment on page 522. Mentioned on page 503, 521, 532.
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Perennials or subshrubs, 50–130 (–170) cm (not cespitose), aromatic (roots thick, woody). Stems relatively numerous, erect, brown, branched, (woody, brittle), glabrous or sparsely hairy. Leaves cauline, dark green; blades broadly ovate, (2–) 3–6 × 0.02–0.15 cm, 2–3-pinnatifid (lobes linear or filiform), faces sparsely hairy (abaxial) or glabrous (adaxial). Heads (nodding at maturity) in open, widely branched arrays 10–30 × 2–10 cm. Involucres ovoid, (1–) 2–3.5 × (1–) 2–2.5 mm. Phyllaries oblongelliptic, sparsely hairy. Florets: pistillate 4–8 (–15); bisexual 14–16 (–20); corollas yellow, 0.5–1 mm, glandular. Cypselae (light-brown) ellipsoid (2–5-angled, flattened, furrowed), 0.5–1 mm, glabrous. 2n = 18.


Phenology: Flowering late summer–fall.
Habitat: Waste places
Elevation: 0–3000 m

Distribution

V19-891-distribution-map.gif

Introduced; Alta., Man., N.B., Ont., Que., Sask., Colo., Conn., Del., D.C., Ill., Iowa, Kans., Maine, Md., Mass., Mich., Minn., Nebr., N.H., N.J., N.Y., N.C., Oreg., Pa., S.C., Utah, Vt., Wis., Wyo., Eurasia, Africa

Discussion

Artemisia abrotanum has been widely cultivated in gardens for old-time uses such as a fly and parasite repellent. It has had a renewed popularity in xeriscape gardening; it is drought tolerant and can fill difficult garden spaces (e.g., dry rocky slopes). Reports of naturalization may be exaggerated; it is not known to become weedy in any of its known locations in North America.

Selected References

None.

Lower Taxa

None.
... more about "Artemisia abrotanum"
not tailed +  and obtuse +
scarious +
spiciform +, racemiform +, paniculiform +  and corymbiform +
indeterminate +  and determinate +
Leila M. Shultz +
Linnaeus +
decurrent +
compound +  and simple +
2 cm20 mm <br />0.02 m <br /> (3 cm30 mm <br />0.03 m <br />) +
3 cm30 mm <br />0.03 m <br /> (6 cm60 mm <br />0.06 m <br />) +
2-3-pinnatifid;ovate +
0.02 cm0.2 mm <br />2.0e-4 m <br /> (0.15 cm1.5 mm <br />0.0015 m <br />) +
fertile +  and bisexual +
Southernwood +, lad’s love +, old man +  and armoise aurone +
zygomorphic +, actinomorphic +  and (3-)5-merous +
0.05 cm0.5 mm <br />5.0e-4 m <br /> (0.1 cm1 mm <br />0.001 m <br />) +
winged +  and monomorphic +
ellipsoid +
fertile +  and bisexual +
fertile +  and bisexual +
Alta. +, Man. +, N.B. +, Ont. +, Que. +, Sask. +, Colo. +, Conn. +, Del. +, D.C. +, Ill. +, Iowa +, Kans. +, Maine +, Md. +, Mass. +, Mich. +, Minn. +, Nebr. +, N.H. +, N.J. +, N.Y. +, N.C. +, Oreg. +, Pa. +, S.C. +, Utah +, Vt. +, Wis. +, Wyo. +, Eurasia +  and Africa +
0–3000 m +
gland-dotted +
glabrous +  and hairy +
peripheral +
winged +  and beaked +
dispersed +
Waste places +
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 +
2 cm20 mm <br />0.02 m <br /> (10 cm100 mm <br />0.1 m <br />) +
each +  and sessile +
0.1 cm1 mm <br />0.001 m <br /> (0.2 cm2 mm <br />0.002 m <br />) +
0.1 cm1 mm <br />0.001 m <br /> (0.2 cm2 mm <br />0.002 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 /> (0.35 cm3.5 mm <br />0.0035 m <br />) +
0.2 cm2 mm <br />0.002 m <br /> (0.25 cm2.5 mm <br />0.0025 m <br />) +
sessile +  and petiolate +
dark green +
persistent +  and deciduous +
deltate +
entire +  and dentate +
2-carpellate +
persistent +
Flowering late summer–fall. +
2 +  and 20 +
styliferous +, neuter +  and pistillate +
sterile +  and fertile +
conic;convex;conic;convex;flat +
2 +  and 5 +
exalbuminous +
Introduced +
hairy +  and glabrous +
wand-like +
appendaged +  and truncate +
papillate +
Artemisia sect. Abrotanum +
Artemisia abrotanum +
Artemisia subg. Artemisia +
species +
funnel +  and subglobose +
cylindric +
fibrous-rooted +  and taprooted +
130 cm1,300 mm <br />1.3 m <br /> (170 cm1,700 mm <br />1.7 m <br />) +
50 cm500 mm <br />0.5 m <br /> (130 cm1,300 mm <br />1.3 m <br />) +
130 cm1,300 mm <br />1.3 m <br /> (170 cm1,700 mm <br />1.7 m <br />) +