Cyperus alternifolius
Umbrella flat sedge

Non-Native in Florida

This non-native sedge is sometimes grown as an ornamental, and has become naturalized in wet places. Like some other Cyperus species, this one has relatively long narrow pointed spikelets that have 2 rows of tan overlapping scales.


Umbrella flat sedge is a NON-NATIVE sedge. stems clump-forming, solid, triangular, to 4 1/2 ft. tall, to 3/4 in. wide near base; leaf blades none, just sheaths wrapping stem base; bracts of inflorescence conspicuous, leaf-like, a clusster of 10-25, mostly longer than the inflorescence; inflorescence a central spikelet cluster including 15-25 stalked clusters, each cluster having 8-15 spikelets; spikelets long and thin, to 3/8 in. long, obvious overlapping scales, 15-30 flowers; nutlet brown, 3-angled, tiny

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