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Alaska wormwood, alaskan sagebrush, Siberian wormwood
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birdfoot sagebrush, Matted sagewort
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| Perennials or subshrubs, 15–30(–60) cm (not cespitose), aromatic (caudices woody). |
Perennials or subshrubs, 5–15 cm (cespitose), aromatic. |
1–10, erect, gray-green, simple (suffrutescent from woody offsets), densely hairy to glabrescent. |
(5–20), gray-green, glabrescent. |
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. |
persistent, gray-green, mostly basal; proximal blades reduced, mostly less than 1 cm, lobed or entire; distal blades 1–2 × 0.5–0.8 cm, 1–2-ternately lobed, lobes 1–2 mm wide, apices acute, faces densely tomentose. |
broadly campanulate, 3.5–5 × 6–9 mm. |
globose, 3–4 × 3–4 mm. |
pistillate 8–10; bisexual 20–45; corollas yellow, 2–2.5 mm, glabrous or glandular. |
pistillate 4–7; functionally staminate 5–9; corollas yellow, usually red-tinged, 2–3 mm, glabrous. |
ovate (margins brownish or hyaline), tomentose. |
(margins scarious, obscured) white-tomentose. |
(peduncles 0 or to 30 mm) in (leafy) paniculiform to racemiform arrays 12–25 × 1–4.5 cm. |
(mostly 6–15, 1 or 3–4 on lateral branches; mostly erect, sessile or pedunculate) in racemiform-paniculiform arrays, 5–8 × 0.5–0.8 cm. |
ellipsoid (flattened), 1–1.5 mm, glabrous. |
(brown) ellipsoid (angled), 0.8–1 mm, (sometimes with white ribs) glabrous. |
= 18. |
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| Flowering early–late summer. |
Flowering early spring–mid summer. |
| Well-drained soils, flood plains, gravel stream banks, roadsides, dry, rocky slopes, forest openings, alpine and arctic tundras |
High plains, grasslands |
| 100–2500 m (300–8200 ft) |
1600–1800 m (5200–5900 ft) |
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AK; BC; NT; YT |
CO; ID; MT; WY
|
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.) |
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| FNA vol. 19, p. 523. |
FNA vol. 19, p. 509. |
| Asteraceae > tribe Anthemideae > Artemisia > subg. Artemisia |
Asteraceae > tribe Anthemideae > Artemisia > subg. Drancunculus |
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. 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. 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 |
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| Rydberg: in N. L. Britton et al., N. Amer. Fl. 34: 281. (1916) |
Nuttall: Trans. Amer. Philos. Soc., n. s. 7: 399. (1841) |
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BC
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USDA Plants Database
