Flora of North America species comparison

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Artemisia franserioides

Artemisia suksdorfii

bursage mugwort, ragweed sagebrush

coastal mugwort, coastal wormwood, Suksdorf sagewort, Suksdorf's mugwort, Suksdorf's sagewort, Suksdorf's wormwood
Habit Biennials or perennials, 30–100 cm, faintly aromatic (rhizomatous). Perennials, 50–170(–200) cm, aromatic (rhizomes woody, coarse).
Stems

1–3, erect, reddish brown, simple (leafy), glabrous or glabrate.

usually 10+, erect, light brown, simple, usually glabrous.
Leaves

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.

cauline (sessile), bicolor (white and dark green);

blades lanceolate, 5–10(–15) × 1–5 cm (bases strongly tapered, attenuate), coarsely and irregularly lobed, faces tomentose (abaxial) or glabrous (adaxial).
Involucres

broadly ovate, 3–5 × 4–5(–6) mm.

narrowly turbinate or globose, 1.5–2.5 × 1–1.5 mm.
Florets

pistillate 4–5(–13), (1–1.5 mm);

bisexual 25–35;

corollas yellow, 1.5–2 mm, glabrous.

pistillate 2–5;

bisexual 2–7;

corollas yellow, 1.5–3 mm, glabrous.
Phyllaries

broadly ovate, sparsely hairy.

(straw-colored to yellow-green, shiny) lanceolate, glabrous or sparsely hairy.
Heads

(nodding, peduncles 0 or 2) in paniculiform to racemiform arrays 10–35 × 2–4 cm (often 1-sided).

(erect) in crowded (proximally leafy), paniculiform or racemiform arrays 17–30 × (2–)4–5 cm (lateral branches stiff, erect).
Cypselae

elliptic, 0.5–0.8 mm, glabrous.

ellipsoid, 0.8–1.5 mm, glabrous.
2n

= 18.

Artemisia franserioides

Artemisia suksdorfii
Phenology Flowering late summer–early fall. Flowering mid summer–fall.
Habitat Open coniferous forests, mid to upper montane Coastal habitats, often along roads or drainages
Elevation 2200–3100 m (7200–10200 ft) 0–200 m (0–700 ft)
Distribution
from FNA
AZ; CO; NM; Mexico (Chihuahua)
[WildflowerSearch map]
[BONAP county map]
from FNA
CA; OR; WA; BC
[WildflowerSearch map]
[BONAP county map]
Discussion

Artemisia suksdorfii is similar morphologically to A. douglasiana; it has more and smaller heads, and glabrous phyllaries. The two species hybridize where their ranges overlap.

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Source FNA vol. 19, p. 525. FNA vol. 19, p. 533.
Parent taxa Asteraceae > tribe Anthemideae > Artemisia > subg. Artemisia 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. 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. 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. tilesii, A. tridentata, A. tripartita, A. vulgaris
Synonyms A. heterophylla, A. vulgaris var. littoralis
Name authority Greene: Bull. Torrey Bot. Club 10: 42. (1883) Piper: Bull. Torrey Bot. Club 28: 42. (1901)
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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