Swamp flatsedge - Homework Help

Swamp flatsedge
Center for Aquatic and Invasive Plants
University of Florida

Cyperus distinctus
(syn. C. virens)

Native to Florida
Occurs almost always under natural conditions in wetlands, but occasionally found in non-wetlands. Found in most counties of peninsular Florida. A large, robust plant with scabrous stems. (Crow and Hellquist, 2000)

Flat sedges are sedges. Stems solid, often 3-angled, unbranched, leafy at base; leaf blades from tubular sheaths; inflorescences terminal (on stem tips) well above the leaves, spike-like or in many heads, branched; bracts long, leaf-like (growing around the stem just below the inflorescence); spikelets clustered, axis jointed, spikelet scales in 2 rows; fruit a 2- or 3-sided achene (nutlet).

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