Flora of North America species comparison

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Artemisia laciniata

Siberian wormwood
Habit Perennials, 5–15 cm (not cespitose), sometimes mildly aromatic.
Stems

1–3, erect, reddish brown, simple, strigillose to spreading-hairy, or glabrous.
Leaves

basal (in rosettes, petioles to 12 cm) and cauline, greenish;

blades (basal) 2–3-pinnate, relatively deeply lobed (cauline sessile, 1–2-pinnately lobed to entire), faces sparsely hairy to pilose.
Involucres

globose, 3–5 × 4–8 mm.
Florets

pistillate 6–8;

bisexual 20–50;

corollas yellowish or yellow to reddish-tinged, 1–2 mm, hairy (hairs tangled).
Phyllaries

(greenish or yellowish) elliptic (margins hyaline, brownish), glabrous or sparsely hairy.
Heads

(10–70, spreading to nodding, peduncles 0 or to 10 mm) in spiciform arrays 2–5 × 0.5–1 or 8–18 × 1–4 cm.
Cypselae

oblong, 0.5–1 mm, glabrous.

Artemisia laciniata
Distribution
from FNA
AK; CO; ID; NM; UT; YT; Eurasia
[BONAP county map]
Discussion

Subspecies 2 (2 in the flora).

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Key
1. Stems hairy; leaves mostly cauline, blades 5–20 × 1–2 cm, sparsely hairy; arrays of heads 8–18 × 1–4 cm; corollas yellowish, 1–1.5 mm
subsp. laciniata
1. Stems glabrous; leaves mostly basal, blades of proximalmost 4–8 × 0.5–1 cm, of cauline 1.5–0.8 × 0.2 cm, sericeous; arrays of heads 2–5 × 0.5–1 cm; corollas yellow or reddish-tinged, 1.5–2 mm
subsp. parryi
Source FNA vol. 19, p. 526.
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. 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
Subordinate taxa
A. laciniata subsp. laciniata, A. laciniata subsp. parryi
Name authority Willdenow: Sp. Pl. 3: 1843. (1803)
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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