Cyperus
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Authority
Mori, S. A., et al. 1997. Guide to the vascular plants of central French Guiana: Part 1. Pteridophytes, gymnosperms, and monocotyledons. Mem. New York Bot. Gard. 76: 1-422.
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Family
Cyperaceae
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Scientific Name
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Description
Genus Description - Annuals or perennials, caespitose or rhizomatous; culms bearing leaves only basally. Leaves linear. Inflorescences from single, simple capitula to decompound, umbellate panicles, the inflorescence rays each subtended by a leaf-like bract, the ultimate inflorescence units comprising single spikelets or spikes or umbels of spikelets; spikelets simple, linear, narrowly elliptic, cylindrical, or ovate, composed of distichously arranged scales subtending flowers. Flowers bisexual (very rarely unisexual); perianth absent; stamens 1-3, hypogynous; stigmas 3. Achenes trigonous, the style base not persistent. Including Protocyperus, Pycreus, and Torulinium.