Compilation
Erigeron elatior

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Name

Identification
Erigeron elatior (A. Gray) Greene [family ASTERACEAE ] (stored under name); Verified by Not on sheet, Isotype of Erigeron grandiflorus Hook. [family ASTERACEAE ] Verified by Not on sheet, Erigeron grandiflorus Hook. [family ASTERACEAE ] Verified by Not on sheet,
Related name
  • Erigeron grandiflorus
  • Erigeron elatior
Common name
  • Tall fleabane, Flora of North America Vol. 20

Flora

Entry for Erigeron elatior (A. Gray) Greene [family COMPOSITAE]
Herbarium
Flora of North America (FNA)
Collection
Flora of North America
Resource Type
Reference Sources
Entry From
Flora of North America, Vol 20,
Names
Erigeron elatior (A. Gray) Greene [family COMPOSITAE], Pittonia, 3: 163. 1897
Erigeron grandiflorus Hooker var. elatior A. Gray [family COMPOSITAE], Amer. J. Sci. Arts, ser., 2, 33: 237. 1862 (as grandiflorum var. elatius)
Treatment Author(s)
Guy L. Nesom
Information
Perennials, 20–60 cm; rhizomatous, fibrous-rooted, rhizomes woody, relatively thick. Stems erect, sparsely to moderately villous, minutely glandular. Leaves mostly cauline (basal not persistent); proximal blades 1-nerved obovate, becoming ovate to ovate-lanceolate distally, (20–)30–90 × 5–25 mm, nearly equal-sized and evenly distributed distally (bases clasping), margins entire (apices acute), faces sparsely to moderately hirsuto-villous. Heads 1(–6). Involucres 7–12 × 13–20 mm. Phyllaries in 2–4 series (linear, apices commonly spreading-reflexing), densely villoso-lanate (hair cross walls reddish to purple), minutely glandular. Ray florets 75–150; corollas pink to rose-purple, 10–20 mm, laminae coiling. Disc corollas 4–5.5 mm. Cypselae 2–2.2 mm, 2-nerved, faces sparsely strigose; pappi: outer of setae or setiform scales, inner of 15–20 bristles. 2n = 18.
Phenology
jul-aug (summer), sep (fall)
Altitude range
2400–3800 m;
Distribution
USA Colo.USA N.Mex.USA UtahUSA Wyo.

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