Everything about Cyperaceae totally explained
The family
Cyperaceae, or the
sedges, is a taxon of
monocot flowering plants that superficially resemble
grasses or
rushes. The family is large, with some 4,000 species described in about 70 genera. These species are widely distributed, with the centers of diversity for the group occurring in tropical Asia and tropical South America. While sedges may be found growing in all kinds of situations, many are associated with
wetlands, or with poor soils.
Some well-known sedges include the water chestnut (
Eleocharis dulcis) and the
papyrus sedge (
Cyperus papyrus), from which the
Ancient Egyptian
writing material was made. This family also includes cotton-grass (
Eriophorum), spike-rush (
Eleocharis), sawgrass (
Cladium), nutsedge or nutgrass (
Cyperus rotundus, a common lawn weed), the large genus of
Carex, and white star sedge (
Rhynchospora colorata).
Features distinguishing members of the sedge family from grasses or rushes is that members of the sedge family have triangular stems (with occasional exceptions), and their leaves are spirally arranged in three ranks (grasses have alternate leaves forming two ranks).
Selected genera
Further Information
Get more info on 'Cyperaceae'.
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