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An illustration of the partial inflorescence of a cyperus plant, spikelet of the same (left), and the flower (right). Cyperus is a large genus of about 600 species of sedges, distributed throughout all continents in both tropical and temperate regions. They are annual or perennial plants, mostly aquatic and growing in still or slow-moving water up to 0.5 m deep. The species vary greatly in size, with small species only 5 cm tall, while others can reach 5 m in height. Common names include papyrus sedges, flatsedges, nutsedges, umbrella-sedges and "galingales"

Cyperus

An illustration of the partial inflorescence of a cyperus plant, spikelet of the same (left), and the…

Diagram illustration showing tubercle, a chene, and perianth brisltes.

Sedge morphology

Diagram illustration showing tubercle, a chene, and perianth brisltes.

Diagram illustration showing stem, leaf blade, and leaf sheath

Sedge morphology

Diagram illustration showing stem, leaf blade, and leaf sheath

Diagram illustration showing leaf arrangement.

Sedge morphology:leaf arrangement

Diagram illustration showing leaf arrangement.

Diagram illustration showing a scale of a spikelet.

Sedge morphology:Spikelet

Diagram illustration showing a scale of a spikelet.