Compilation
Equisetum palustre

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Name

Identification
Equisetum null [family EQUISETACEAE ] Verified by Not on sheet, Equisetum palustre L. [family EQUISETACEAE ] (stored under name); Verified by Not on sheet, Equisetum palustre L. [family EQUISETACEAE ] Verified by Not on sheet,
Related name
  • Equisetum palustre
  • `
  • Equisetum
Common name
  • prêle des marais, Flora of North America Vol. 2
  • Marsh horsetail, Flora of North America Vol. 2

Flora

Entry for Equisetum palustre Linnaeus [family EQUISETACEAE]
Herbarium
Flora of North America (FNA)
Collection
Flora of North America
Resource Type
Reference Sources
Entry From
Flora of North America, Vol 2,
Names
Equisetum palustre Linnaeus [family EQUISETACEAE], Sp. Pl., 2: 1061. 1753
Equisetum palustre var. americanum Victorin [family EQUISETACEAE]
Treatment Author(s)
Richard L. Hauke
Information
Aerial stems monomorphic, green, branched or unbranched, 20--80 cm; hollow center small, to 1/3 stem diam.; vallecular canals nearly as large. Sheaths elongate, 4--9 × 2--5 mm; teeth dark, 5--10, narrow, 2--5 mm, margins white, scarious. Branches when present only from midstem nodes, spreading, hollow; ridges 4--6; valleys rounded; 1st internode of each branch shorter than subtending stem sheath; sheath teeth narrow. 2 n =216.
Phenology
Cones maturing in summer
Altitude range
0--1500m
Distribution
Eurasia s to Himalayasn ChinaKoreaJapan.USA AlaskaUSA Calif.USA IdahoUSA MaineUSA Mich.USA Minn.USA Mont.USA N.H.USA N.Y.USA N.Dak.USA Oreg.USA Pa.USA Vt.USA Wash.USA Wis.Canada Alta.Canada B.C.Canada Man.Canada N.B.Canada Nfld.Canada N.W.T.Canada N.S.Canada Ont.Canada P.E.I.Canada Que.Canada Sask.Canada Yukon
Discussion
The name Equisetum palustre var. americanum has been used for specimens from the flora that have longer teeth than those from Eurasia.

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