Erigeron elatus

(Hooker) Greene

Pittonia 3: 164. 1897.

Common names: Swamp fleabane vergerette élevée
Basionym: Erigeron alpinus var. elatus Hooker Fl. Bor.-Amer. 2: 18. 1834
Synonyms: Erigeron acris var. arcuans Fernald Erigeron acris var. elatus (Hooker) Cronquist Erigeron elatus var. oligocephalus (Fernald & Wiegand) Fernald Trimorpha elata
Treatment appears in FNA Volume 20. Treatment on page 322. Mentioned on page 265.

Biennials or short-lived perennials, (6–)10–40(–50) cm; fibrous-rooted, caudices simple or branched, or rhizomes. Stems erect, sparsely to moderately strigose or loosely strigoso-villous or glabrate, often minutely glandular near heads. Leaves basal (persistent) and cauline; basal blades oblanceolate to spatulate, 20–80 × 2–6 mm, cauline gradually reduced distally, margins usually entire, rarely dentate, glabrous or sparsely villoso-hirsute, distal sometimes also glandular. Heads 1–5(–8) in corymbiform arrays (on straight, spreading peduncles). Involucres 5–11 × 8–12 mm. Phyllaries in 2–3 series (inner apices attenuate to caudate), sparsely hirsute to villoso-hirsute, eglandular or sparsely minutely glandular only at tips. Ray (pistillate) florets in 2 series: outer 45–60, corollas white to pink, 5–7 mm, laminae (filiform) erect, not coiling or reflexing; inner far fewer than outer, elaminate. Disc corollas 4.2–6.2 mm. Cypselae 1.6–1.8 mm, 2-nerved, faces sparsely strigose; pappi: outer of setae, inner of 24–35 (accrescent) bristles. 2n = 36.

Phenology: Flowering (Jun–)Jul–Aug.
Habitat: Floodplain meadows, pond edges, open boggy woods, tundra
Elevation: 200–2000 m



Alta., B.C., Man., Nfld. and Labr., N.W.T., Ont., Que., Sask., Yukon, Alaska, Wash.


Selected References


Lower Taxa

... more about "Erigeron elatus"
Guy L. Nesom +
(Hooker) Greene +
Erigeron alpinus var. elatus +
Swamp fleabane +  and vergerette élevée +
Alta. +, B.C. +, Man. +, Nfld. and Labr. +, N.W.T. +, Ont. +, Que. +, Sask. +, Yukon +, Alaska +  and Wash. +
200–2000 m +
Floodplain meadows, pond edges, open boggy woods, tundra +
Flowering (Jun–)Jul–Aug. +
Erigeron acris var. arcuans +, Erigeron acris var. elatus +, Erigeron elatus var. oligocephalus +  and Trimorpha elata +
Erigeron elatus +
Erigeron +
species +