Compilation
Artemisia scopulorum

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Name

Identification
Isotype of Artemisia scopulorum A. Gray [family ASTERACEAE ] (stored under name); Verified by Not on sheet,
Related name
  • Artemisia scopulorum
  • Artemisia pattersonii
Common name
  • Patterson sagewort, Flora of North America Vol. 19

Flora

Entry for Artemisia pattersonii A. Gray [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 pattersonii A. Gray [family COMPOSITAE], in A. Gray et al., Syn. Fl. N. Amer. ed., 2, 1(2): 453. 1886
Artemisia monocephala (A. Gray) A. Heller [family COMPOSITAE]
Artemisia scopulorum A. Gray var. monocephala A. Gray [family COMPOSITAE]
Past names
pattersoni
Treatment Author(s)
Leila M. Shultz
Information
Perennials, 8–20 cm, mildly aromatic. Stems gray-brown, glabrate or finely pubescent. Leaves deciduous, gray-green; petiolate; blades (basal) broadly spatulate, 2–4 × 0.5 cm, pinnately lobed (lobes ca. 1.5 mm wide; cauline smaller, 1-pinnately lobed or entire), faces silky-hairy. Heads borne singly or (2–5, spreading to nodding, pedunculate) in paniculiform or racemiform arrays 1–5 × 0.5–1 cm. Involucres broadly hemispheric, 5–8 × 5–8(–10) mm. Phyllaries gray (margins dark brown to black), villous. Florets: pistillate 7–27; bisexual 32–100; corollas (yellow tinged with red), 2–3 mm (including exsert anthers), mostly glabrous (embedded in tangled receptacular hairs). Cypselae 1.5–2 mm, glabrous. 2n = 14.
Altitude range
3500–4000 m;
Distribution
USA Colo.USA N.Mex.USA Wyo.
Discussion
Artemisia pattersonii can be distinguished from the closely related A. scopulorum by its heads being borne singly and narrower phyllary margins.

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