Cyperus esculentus is a species of sedge native to warm temperate to subtropical regions of the Northern Hemisphere, often cultivated for its edible tubers (tigernuts).
Structure: Grows erect, spreads by rhizomes and tubers
Life Cycle: Perennial
What To Look For: Yellowish-brown spikelets (flower-like structures) with thick, stiff leaves arranged in sets of three at the base, triangular stems with light brown flowers and seed
Growth Period: Spring through fall