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Sharp-pointed Flatsedge is a grass-like, 5-20 cm high annual that forms tufts of stems. The few leaves occur near the base of the plant and are 1-2 mm wide. The inflorescence is subtended by 3-4 long, leaf-like bracts. Each flower consists only of a small, pointed, 2 mm long scale, which subtends a single stamen and ovary. Flowers are crowded opposite each other into flattened spikelets that are...

Many-headed Sedge forms clumps without rhizomes and has slender stems that are 5-50 cm high. The lowest leaves are reduced to scales; the upper are flat and 1-4 mm wide. Flowers occur in 4-15 globose spikes clustered together at the top of the stem. The lower spikes are subtended by long, leaf-like bracts that greatly surpass the inflorescence. Inconspicuous male flowers (recognized by the old s...