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Related to spike rush: common rush
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|Noun||1.||spike rush - a sedge of the genus Eleocharis|
sedge - grasslike or rushlike plant growing in wet places having solid stems, narrow grasslike leaves and spikelets of inconspicuous flowers
Eleocharis, genus Eleocharis - sedges having dense spikes of flowers and leaves reduced to basal sheaths
Chinese water chestnut, Eleocharis dulcis, water chestnut - Chinese sedge yielding edible bulb-shaped tubers
Eleocharis acicularis, hair grass, needle rush, needle spike rush, slender spike rush - fine-leaved aquatic spike rush; popular as aerator for aquariums