Accession #: 199800072
Accession Date: 1998-05-13
Common name: Dwarf Scouring Rush
Family: Equisetaceae
Synonym(s):
Country of Origin: circumpolar - northern US states from Washington to Maine
Description: Aerial stems persisting more than a year, unbranched, tortuous, 2.5--28 cm; lines of stomates single; ridges 6. Sheaths green proximally, black distally, elliptic in face view, 1--2.5 × 0.75--1.5 mm; teeth 3, dark with white margins, not articulate to sheath. Cone apex pointed; spores green, spheric. 2 n =216.
Cones maturing in summer, or cones overwintering and shedding spores in spring. Wet woods, peat bogs, tundra; 0--1000 m; Greenland; St. Pierre and Miquelon; Alta., B.C., Man., N.B., Nfld., N.W.T., N.S., Ont., P.E.I., Que., Sask., Yukon; Alaska, Idaho, Ill., Iowa, Maine, Mass., Mich., Minn., Mont., N.H., N.Y., S.Dak., Vt., Wash., Wis.; n Eurasia.
Uses: early usage for cleaning pots due to its coarse, silicaceous stems
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USDA Zone: 3
Source: Tom Lemieux - UC Boulder
Provenance:
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