Artemisia packardiae
Artemisia abrotanum
Packard's artemisia, Packard's wormwood, Succor Creek mugwort
armoise aurone, garden sagebrush, lad's love, old man, southern wormwood, southernwood
3–20, erect, light brown, simple or branched, glabrous.
relatively numerous, erect, brown, branched, (woody, brittle), glabrous or sparsely hairy.
cauline, dark green;
blades lanceolate, 1.5–5 × 1–2.5 cm, 2-pinnatifid (primary lobes 5–9, 0.4–1.5 cm; cauline smaller, pinnatifid to entire), faces tomentose (abaxial) or glabrous (adaxial).
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).
campanulate to hemispheric, 2.5–3.5 × 2–4.5 mm.
ovoid, (1–)2–3.5 × (1–)2–2.5 mm.
pistillate 3–8;
bisexual, sometimes functionally staminate, (15–)20–35;
corollas bright yellow, 1.3–2.2 mm, glandular.
pistillate 4–8(–15);
bisexual 14–16(–20);
corollas yellow, 0.5–1 mm, glandular.
broadly ovate, glandular (at least at bases).
oblong-elliptic, sparsely hairy.
(peduncles 0 or to 3 mm) in usually paniculiform, sometimes racemiform, arrays 5–20 × 1.5–4 cm.
(nodding at maturity) in open, widely branched arrays 10–30 × 2–10 cm.
(light brown) ellipsoid (± arcuate, ribs 4, prominent), ca. 1 mm, glandular.
(light brown) ellipsoid (2–5-angled, flattened, furrowed), 0.5–1 mm, glabrous.
= 18.
= 18.
Artemisia packardiae
Artemisia abrotanum
Artemisia packardiae is known only from southeastern Oregon, western Idaho, and northeastern Nevada. It is closely related to A. michauxiana and could be considered an ecologic variant.
(Discussion copyrighted by Flora of North America; reprinted with permission.)
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.
(Discussion copyrighted by Flora of North America; reprinted with permission.)
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