Flora of North America species comparison

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Artemisia franserioides

Artemisia serrata

bursage mugwort, ragweed sagebrush

sawtooth wormwood, serrate-leaf sage
Habit Biennials or perennials, 30–100 cm, faintly aromatic (rhizomatous). Perennials, 50–100(–300) cm (not cespitose), pleasantly aromatic (fibrous-rooted, rhizomes horizontal, relatively short).
Stems

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

2–5, erect, brown, mostly simple (bases woody), sparsely tomentose.
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, bicolor (white and green);

blades lanceolate, 7–15 × 1–2.5 cm, serrate (teeth ca. 2 mm), faces densely tomentose (abaxial) or glabrate (adaxial).
Involucres

broadly ovate, 3–5 × 4–5(–6) mm.

campanulate, 2.5–3 × 2–2.5 mm.
Florets

pistillate 4–5(–13), (1–1.5 mm);

bisexual 25–35;

corollas yellow, 1.5–2 mm, glabrous.

pistillate 3–5;

bisexual 9–10;

corollas pale yellow, 1.5–2 mm, sparsely glandular.
Phyllaries

broadly ovate, sparsely hairy.

lanceolate (margins hyaline), densely tomentose.
Heads

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

(peduncles 0 or to 2 mm) in racemiform arrays 10–15 × 5–15 cm.
Cypselae

elliptic, 0.5–0.8 mm, glabrous.

ellipsoid, ca. 1 mm, glabrous.
2n

= 36.

Artemisia franserioides

Artemisia serrata
Phenology Flowering late summer–early fall. Flowering mid summer–early fall.
Habitat Open coniferous forests, mid to upper montane Grasslands and barren areas on high plains
Elevation 2200–3100 m (7200–10200 ft) 500–1800 m (1600–5900 ft)
Distribution
from FNA
AZ; CO; NM; Mexico (Chihuahua)
[WildflowerSearch map]
[BONAP county map]
from FNA
IA; IL; MN; ND; NY; WI
[WildflowerSearch map]
Discussion

Artemisia serrata is closely related to A. ludoviciana and A. longifolia; it is distinguished by its prominent, serrated leaf margins. It is apparently native to the upper Mississippi Valley and naturalized in New York, presumably following introduction as a garden plant. Reports from Kansas and Missouri may be based on collections of A. ludoviciana.

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Source FNA vol. 19, p. 525. FNA vol. 19, p. 532.
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. spiciformis, A. stelleriana, A. suksdorfii, A. tilesii, A. tridentata, A. tripartita, A. vulgaris
Synonyms A. vulgaris subsp. serrata
Name authority Greene: Bull. Torrey Bot. Club 10: 42. (1883) Nuttall: Gen. N. Amer. Pl. 2: 142. (1818)
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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