Fimbristylis (family Cyperaceae) A genus of perennial, rhizomatous (see RHIZOME) herbs, which have solid stems. The basal tuft of leaves is sheathing, and the leaves are linear with a grass-like blade. The small, inconspicuous flowers are usually bisexual and held in spikelets with a single bract. The spikelets form panicles or umbels. The perianth is reduced to scales or bristles. Usually there are 3 stamens. The ovary is superior and the fruit a nut. There are about 250 species, found in tropical and subtropical regions, usually in marshy habitats.
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