Equisetum hyemale L.

scouringrush horsetail, Equisetum hyemale L. 10JL08
scouringrush horsetail, Equisetum hyemale L. 09JL23

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characteristics

Stem is erect, green, jointed and grooved with numerous ridges. Leaves are tiny black *teeth* with white borders. A wax-like cone, with a blunt tip, is topped with a small point. Spheric spores are green. Reproduces by spores and rhizomes. Spreads rapidly by rhizomes radiating outward from the original plant. Can be invasive.

Starts from spores, bare root, cuttings.

T SSN H W sun soil H2O fire N2 pH summer fall flower (seed)
P C 1.6 0.4 S F-M-C DM-MW ••• - 4.5-6.5 green brown yellow-deep

habitat

Moist fields, roadsides, marshes, meadows.

uses

Cover for small mammals and wetland birds.

Decoction of plant used as a contraceptive.

Equisetum is the sole surviving genus of a group of primitive plants from the Carboniferous period (300 million years ago); some of which species reached up to 30 m tall.

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common > name = have on site
T = type: A = annual | B = biennial | P = perennial | SS = subshrub | D = deciduous | C = coniferous
██ = cold stratify | ██ = cold stratify & scarify | ██ = plant directly | ██ = scarify | ██ = not from seed
SSN = season: C = cool | W = warm | Y = late
H = height (in metres) | W = width (in metres) | B = bunch | S = sod | SB = sod/bunch
sun: S = full sun | S/PS = sun or partial shade | PS = partial shade | SH = full shade
soil: F = fine | M = medium | C = coarse
H2O = moisture requirement: D = dry | M = moist | W = wet | Z = aquatic
fire = fire tolerance: - = unknown | X = none | = some | •• = moderate | ••• = high tolerance
N2 = nitrogen fixing: = yes
summer = foliage colour | fall = foliage (stem) colour | flower (seed) = flower (seed / fruit) colour, if conspicuous
pH = acidity - alkalinity