Schoenoplectus pungens (Vahl) Palla

threesquare bulrush - Schoenoplectus pungens (Vahl) Palla 11JL26

characteristics

A rhizomatous perennial with upright or arched triangular, stems. Leaves are narrow and grass-like on the lower stem only. The flower is a tight clustered spikelet emerging beneath a bract that appears to be part of the stem. Scales are yellowish to reddish brown. Seeds are small, brown and lentil shaped.

Also known as chairmaker's rush.

T SSN H W sun soil H2O fire N2 pH summer fall flower (seed)
P CW 1.3 S S F-M W •• - 5.2-8.5 green yellow cream (brown)

habitat

Marshes, ponds, streambanks, ditches.

uses

Seeds are eaten by a variety of wetland birds such as blue winged and cinnamon teal, greater and lesser scaups.

Blackbirds and marsh wrens use the stems for nesting.

Stems were and continue to be used for basket weaving.

Roots and rhizomes were eaten by various North American aboriginals.

Excellent for reconstructed wetlands:
Removes Nitrogen (N2) and phosphorus (P) from water.

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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