|an African sedge, Cyperus alternifolius, having large umbrella-like whorls of slender leaves: widely grown as an ornamental water plant|
any of several unrelated but similarly leaved plants. Cyperus alternifolius (family Cyperaceae), also called umbrella palm and umbrella sedge, is widely cultivated in water gardens and as a potted plant. It grows up to 1 m (3 feet) high. Native to Madagascar, Reunion, and Mauritius, it is widely naturalized in the tropics and subtropics.
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