Flora of North America species comparison

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Artemisia stelleriana

armoise de Steller, beach wormwood, dusty miller, oldwoman, Steller's wormwood
Habit Perennials, (15–)20–60(–70) cm (mat-forming), sometimes faintly aromatic (rhizomes creeping, relatively thin).
Stems

1–3, erect or ascending, white, simple (stout), densely tomentose to floccose.
Leaves

basal and cauline (petiolate), silver-gray;

blades oblanceolate, (proximalmost) 3–10 × 1–5 cm, pinnatifid (lobes relatively broad, rounded; distal leaves, on flowering stems, smaller), faces densely tomentose.
Involucres

broadly campanulate, 5–8 × 6–7 mm.
Florets

pistillate 12–16;

bisexual 25–30;

corollas yellow (narrow or tubular), 3.2–4 mm (unusually large), glabrous or sparsely hairy (style branches prominent, erect, blunt).
Phyllaries

broadly lanceolate, tomentose.
Heads

(erect or spreading, peduncles 0 or to 3 mm) in dense, paniculiform, racemiform, or spiciform arrays 8–20 × 2–4 cm.
Cypselae

(dark brown) narrowly oblong-linear (slightly flattened, smooth), 3–4 mm, glabrous.
2n

= 18.

Artemisia stelleriana
Phenology Flowering early spring–fall.
Habitat Sandy soils, coastal strand
Elevation 0–200 m (0–700 ft)
Distribution
from FNA
AK; CT; DE; FL; LA; MA; MD; ME; MI; MN; NC; NH; NJ; NY; OH; PA; RI; VA; VT; WA; WI; WV; NB; NF; NS; ON; PE; QC; SPM; n Europe; e Asia (Japan, Kamchatka)
[WildflowerSearch map]
[BONAP county map]
Discussion

Artemisia stelleriana is apparently native along the western tip of the Aleutian islands (D. F. Murray, pers. comm.). It is an attractive ornamental and, in parts of its range in the flora area, it appears to have escaped from cultivation and is naturalized in beach dunes and other sandy habitats.

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Source FNA vol. 19, p. 532.
Parent taxa Asteraceae > tribe Anthemideae > Artemisia > subg. Artemisia
Sibling taxa
A. abrotanum, A. absinthium, A. alaskana, A. aleutica, A. annua, A. arbuscula, A. biennis, A. bigelovii, A. borealis, A. californica, A. campestris, A. cana, A. carruthii, A. douglasiana, A. dracunculus, A. filifolia, A. franserioides, A. frigida, A. furcata, A. globularia, A. glomerata, A. laciniata, A. longifolia, A. ludoviciana, A. michauxiana, A. nesiotica, A. norvegica, A. nova, A. packardiae, A. palmeri, A. papposa, A. pattersonii, A. pedatifida, A. pontica, A. porteri, A. pycnocephala, A. pygmaea, A. rigida, A. rothrockii, A. rupestris, A. scopulorum, A. senjavinensis, A. serrata, A. spiciformis, A. suksdorfii, A. tilesii, A. tridentata, A. tripartita, A. vulgaris
Name authority Besser: Nouv. Mém. Soc. Imp. Naturalistes Moscou 3: 79, plate 5. (1834)
Web links 
Unless otherwise noted, all data comes from the online version of the Flora of North America, who have made most of their content available via a Creative Commons license (CC BY 4.0).



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