Compilation
Artemisia incompta

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Name

Identification
Artemisia incompta Nuttall [family ASTERACEAE ] (stored under name); Verified by Nutt., 1841
Related name
  • Artemisia michauxiana
  • Artemisia discolor
  • Artemisia ludoviciana
  • Artemisia incompta
Common name
  • Mountain wormwood, Flora of North America Vol. 19

Flora

Entry for Artemisia ludoviciana Nuttall subsp. incompta ( Nuttall) D. D. Keck [family COMPOSITAE]
Herbarium
Flora of North America (FNA)
Collection
Flora of North America
Resource Type
Reference Sources
Entry From
Flora of North America, Vol 19,
Names
Artemisia ludoviciana Nuttall subsp. incompta ( Nuttall) D. D. Keck [family COMPOSITAE], Publ. Carnegie Inst. Wash., 520: 327. 1940
Artemisia incompta Nuttall [family COMPOSITAE], Trans. Amer. Philos. Soc., n. s., 7: 400. 1841
Artemisia arachnoidea E. Sheldon [family COMPOSITAE]
Artemisia atomifera Piper [family COMPOSITAE]
Artemisia lindleyana Besser [family COMPOSITAE]
Artemisia ludoviciana var. incompta (Nuttall) Cronquist [family COMPOSITAE]
Artemisia prescottiana Besser [family COMPOSITAE]
Artemisia vulgaris Linnaeus var. incompta (Nuttall) H. St. John [family COMPOSITAE]
Treatment Author(s)
Leila M. Shultz
Information
Stems 20–50(–80) cm, mostly simple, hairy. Leaves bicolor (white and green, or gray-green and green); blades narrowly to broadly lanceolate, 1.5–11 × 1–1.5 cm, irregularly lobed (lobes usually 1/3+ blade widths), faces hairy (abaxial) or glabrous or glabrescent. Heads in paniculiform arrays (10–)15–25(–35) × (2–)3–8(–10) cm. Involucres (broadly campanulate) 3(–4) × 3–5) mm. Florets: pistillate 5–12; bisexual 6–45; corollas yellow, sometimes red-tinged, 1.5–2 mm. 2n = 36, 54.
Phenology
jun-aug (summer), sep-nov (fall)
Altitude range
1900–3500 m;
Distribution
Mexico.USA Calif.USA Colo.USA IdahoUSA Mont.USA Nev.USA Oreg.USA UtahUSA Wash.USA Wyo.Canada Alta.Canada B.C.
Discussion
Subspecies incompta varies. It could be (and has been) subdivided. The variation found within one population, as well as from one part of its range to another, makes the recognition of discrete taxa difficult as well as questionable. The morphologic variant treated as Artemisia lindleyana by some authors may warrant infraspecific status.

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