|
bursage mugwort, ragweed sagebrush
|
Alaska wormwood, alaskan sagebrush, Siberian wormwood
|
| Biennials or perennials, 30–100 cm, faintly aromatic (rhizomatous). |
Perennials or subshrubs, 15–30(–60) cm (not cespitose), aromatic (caudices woody). |
1–3, erect, reddish brown, simple (leafy), glabrous or glabrate. |
1–10, erect, gray-green, simple (suffrutescent from woody offsets), densely hairy to glabrescent. |
basal (in rosettes, petiolate) and cauline, bicolor (white and green); blades ovate, 3–7(–20) × 2–4(–6) cm, 2–3-pinnately-lobed (lobes elliptic, 2–6 mm wide; cauline sessile, smaller), faces tomentose (abaxial) or glabrous or glabrescent (adaxial), glandular. |
basal and cauline, mostly gray-green; blades obovate, 1.5–5 × 0.5–1.5 cm, 3-lobed to 2-ternately lobed (lobes 0.5–3 mm wide, margins flat; cauline leaves smaller, sometimes entire), faces tomentose. |
broadly ovate, 3–5 × 4–5(–6) mm. |
broadly campanulate, 3.5–5 × 6–9 mm. |
pistillate 4–5(–13), (1–1.5 mm); bisexual 25–35; corollas yellow, 1.5–2 mm, glabrous. |
pistillate 8–10; bisexual 20–45; corollas yellow, 2–2.5 mm, glabrous or glandular. |
broadly ovate, sparsely hairy. |
ovate (margins brownish or hyaline), tomentose. |
(nodding, peduncles 0 or 2) in paniculiform to racemiform arrays 10–35 × 2–4 cm (often 1-sided). |
(peduncles 0 or to 30 mm) in (leafy) paniculiform to racemiform arrays 12–25 × 1–4.5 cm. |
elliptic, 0.5–0.8 mm, glabrous. |
ellipsoid (flattened), 1–1.5 mm, glabrous. |
|
= 18. |
|
|
|
|
| Flowering late summer–early fall. |
Flowering early–late summer. |
| Open coniferous forests, mid to upper montane |
Well-drained soils, flood plains, gravel stream banks, roadsides, dry, rocky slopes, forest openings, alpine and arctic tundras |
| 2200–3100 m (7200–10200 ft) |
100–2500 m (300–8200 ft) |
|
AZ; CO; NM; Mexico (Chihuahua)
|
AK; BC; NT; YT |
|
As circumscribed here, Artemisia alaskana is known from northwestern North America. The type specimen of A. alaskana is atypical, with longer peduncles and narrower leaf lobes than are found in most populations. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
| FNA vol. 19, p. 525. |
FNA vol. 19, p. 523. |
| Asteraceae > tribe Anthemideae > Artemisia > subg. Artemisia |
Asteraceae > tribe Anthemideae > Artemisia > subg. Artemisia |
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. 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. stelleriana, A. suksdorfii, A. tilesii, A. tridentata, A. tripartita, A. vulgaris |
A. abrotanum, A. absinthium, 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. stelleriana, A. suksdorfii, A. tilesii, A. tridentata, A. tripartita, A. vulgaris |
|
A. tyrrellii |
| Greene: Bull. Torrey Bot. Club 10: 42. (1883) |
Rydberg: in N. L. Britton et al., N. Amer. Fl. 34: 281. (1916) |
| |
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