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Compilation
Erigeron eriocephalus

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Type of Erigeron eriocephalus J.Vahl [family ASTERACEAE]
Type? of Erigeron eriocephalus J.Vahl [family ASTERACEAE]
Syntype of Senecio eriocephalus Klatt [family COMPOSITAE]
Erigeron eriocephalus J.Vahl [family COMPOSITAE]
Type of Erigeron eriocephalus J. Vahl [family ASTERACEAE]
Type? of Erigeron eriocephalus J. Vahl [family ASTERACEAE]
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Name

Identification
Erigeron eriocephalus J. Vahl [family ASTERACEAE ] (stored under name); Verified by Not on Sheet, Erigeron uniflorus L. [family ASTERACEAE ] Verified by Vierhapper, F.,
Related name
  • Erigeron uniflorus
  • Erigeron eriocephalus
Common name
  • Vergerette à capitules laineux, Flora of North America Vol. 20

Flora

Entry for Erigeron uniflorus Linnaeus var. eriocephalus (J. Vahl) B. Boivin [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 uniflorus Linnaeus var. eriocephalus (J. Vahl) B. Boivin [family COMPOSITAE], Phytologia, 23: 49. 1972
Erigeron eriocephalus J. Vahl [family COMPOSITAE], in G. C. Oeder et al., Fl. Dan., 13(39): 6, plate 2299. 1840
Erigeron unalaschkensis Linnaeus var. eriocephalus (J. Vahl) A. E. Porsild [family COMPOSITAE]
Erigeron uniflorus Linnaeus subsp. eriocephalus (J. Vahl) Cronquist [family COMPOSITAE]
Treatment Author(s)
Guy L. Nesom
Information
Perennials, 3–25(–35) cm; rhizomatous, fibrous-rooted, caudices crownlike, sometimes branched. Stems ascending, sparsely to densely villous or tomentose, especially distally (hair cross walls often purplish black), minutely glandular. Leaves basal (persistent) and cauline; basal oblanceolate to subspatulate, 20–60(–100) × 3–6(–10) mm, cauline gradually reduced distally or little reduced on proximal 1/2, rarely all bractlike, margins entire, faces sparsely villosulous to glabrate, sometimes sparsely minutely glandular. Heads 1. Involucres 8–10(–11) × (10–)15–20(–30) mm. Phyllaries in 2(–3) series (reddish purple), densely lanate (hairs tangled, soft), glandular apically. Ray florets 100–200; corollas purplish to pink or white, 3–6(–8) mm, laminae erect (filiform, 0.3–1 mm wide), not coiling or reflexing. Disc corollas 3.8–5 mm. Cypselae 1.8–2.2 mm, 2-nerved, faces finely strigoso-hirsute; pappi: outer of setae (inconspicuous), inner of 20–30 (accrescent, surpassing disc corollas and involucres in fruit) bristles. 2n = 18.
Phenology
jun-aug (summer)
Altitude range
400–2200 m;
Distribution
Greenlandn EuropeAsia (Russia).Asia (Siberia).USA AlaskaCanada B.C.Canada Nfld. and Labr. (Labr.)Canada N.W.T.Canada NunavutCanada Que.Canada Yukon
Discussion
Evidence is not at hand that might clarify the biological relationship of and appropriate taxonomic rank for var. eriocephalus. Variety uniflorus occurs in the mountains of Europe and Caucasus, mostly south of var. eriocephalus; apparently the two intergrade [see detailed comments by S. G. Aiken et al. (http://www.mun.ca/biology/delta/arctif)].

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