Compilation
Artemisia ludoviciana

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Name

Identification
Artemisia ludoviciana Nuttall [family ASTERACEAE ] (stored under name); Verified by M. L. Fernald, Isotype of Artemisia cuneifolia Scheele [family ASTERACEAE ] Verified by Scheele, 1849 Artemisia ludoviciana Nuttall [family ASTERACEAE ] Verified by Not on Sheet, Artemisia cuneifolia Scheele [family ASTERACEAE ] Verified by Not on Sheet,
Related name
  • Artemisia redolens
  • Artemisia cuneifolia
  • Artemisia gracilenta
  • Artemisia gnaphalodes
  • Artemisia lindheimeriana
  • Artemisia paucicephala
  • Artemisia pringlei
  • Artemisia neomexicana
  • Artemisia longifolia
  • Artemisia vulgaris
  • Artemisia rhizomata
  • Artemisia mexicana
  • Artemisia ludoviciana
  • Artemisia natronensis
  • Artemisia potens
  • Artemisia pudica
  • Artemisia diversifolia
Common name
  • Mountain wormwood, Flora of North America Vol. 19
  • White wormwood, Flora of North America Vol. 19
  • Douglas sagewort, Flora of North America Vol. 19
  • white or silver sage, Flora of North America Vol. 19
  • Mexican wormwood, Flora of North America Vol. 19
  • Northwest mugwort, Flora of North America Vol. 19
  • Long-leaved sage, Flora of North America Vol. 19
  • Silver wormwood, Flora of North America Vol. 19
  • Armoise de l’ouest, Flora of North America Vol. 19

Flora

Entry for Artemisia douglasiana Besser [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 douglasiana Besser [family COMPOSITAE], in W. J. Hooker, Fl. Bor.-Amer., 1: 323. 1833
Artemisia campestris Linnaeus var. douglasiana (Besser) B. Boivin [family COMPOSITAE]
Artemisia caudata Michaux var. douglasiana (Besser) B. Boivin [family COMPOSITAE]
Artemisia commutata Besser var. douglasiana (Besser) Besser [family COMPOSITAE]
Artemisia desertorum Sprengel var. douglasiana Besser [family COMPOSITAE]
Artemisia heterophylla Nuttall [family COMPOSITAE]
Artemisia ludoviciana Nuttall var. douglasiana (Besser) D. C. Eaton [family COMPOSITAE]
Artemisia vulgaris Linnaeus var. douglasiana (Besser) H. St. John [family COMPOSITAE]
Treatment Author(s)
Leila M. Shultz
Information
Perennials, 50–180(–250) cm, aromatic (rhizomatous). Stems 1–20, erect, brown to gray-green, simple, hairy or glabrescent. Leaves cauline, bicolor (white and green to light gray-green); blades narrowly elliptic to widely oblanceolate, (1–)3–11(–15) × 0.5–2(–6) cm (proximal with 3–5 lateral lobes, distal mostly entire), faces sparsely tomentose (abaxial) to sparsely hairy (adaxial). Heads (usually nodding) in (leafy) paniculiform arrays 10–30 × 3–9 cm (branches widely spreading, ascending, stout). Involucres narrowly turbinate to campanulate, 2–3 × 2–4 mm. Phyllaries (green to gray) ovate, tomentose to pubescent. Florets: pistillate 6–10; bisexual 6–25; corollas pale yellow, 1–1.5 mm, glabrous, sometimes glandular. Cypselae ellipsoid, 0.5–1 mm, glabrous. 2n = 54.
Phenology
mar-may (spring), jun-aug (summer), sep-nov (fall)
Altitude range
100–2200 m;
Distribution
USA Calif.USA Nev.USA Oreg.USA Wash.
Discussion
Artemisia douglasiana is sometimes weedy. Reports from areas outside the northwestern portion of the United States are based on misidentifications of plants in the A. ludoviciana complex.

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