Erigeron elatior

(A. Gray) Greene

Pittonia 3: 163. 1897.

Common names: Tall fleabane
Basionym: Erigeron grandiflorus var. elatior A. Gray Amer. J. Sci. Arts, ser. 2, 33: 237. 1862 (as grandiflorum var. elatius)
Treatment appears in FNA Volume 20. Treatment on page 333. Mentioned on page 267.

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: Flowering Jul–Sep.
Habitat: Mountain brush, alpine and subalpine meadows, openings in spruce-fir
Elevation: 2400–3800 m


Selected References


Lower Taxa

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