Schoenoplectus acutus (C.C.Gmel.) Palla
Family: Cyperaceae
hard-stem bulrush
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Robert W. Freckmann  
Etymology: Schoenoplectus: Greek a 'rush leek' ' plecto for "plaited, twisted" schoenos for "rush or reed"
Plants: erect, perennial, 3-10' tall, semi-aquatic, emergent sedge; stems sturdy, firm, olive colored, cylindrical, filled with many small chambers; shallow rhizomes
Leaves: mostly sheaths or short blades at stem base
Flowers: inflorescence oval, stalked spikelets at side of floral bract at top of stem, spikelets in spirals are gray-brown with red flecks, fringed edge
Fruits: nutlets from under scales
Habitat: wet; marshes, in water usually less than 40" deep; in firm substrate soil
Conservation Status: Native
A Round-Stem Bulrush

- achenes 2-sided

- perianth bristles 6

- spikelets oblong to cylindrical, more than twice as long as broad

- stems firm

- awns of floral scales usually strongly contorted

- spikelets may be densely crowded

- pedicels sometimes puberulent and/or red-flecked like the scales

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Hugh H. Iltis  
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Hugh H. Iltis  
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Kurt Stüber  
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Botancial Illustration  
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