Cyperis esculentus L., yellow nut sedge, souchet comestible
Perennial, with rhizomes terminating in tubers or leafy shoots;
spreads and overwinters by tubers formed at the apical ends of
rhizomes; allogamous, wind pollinated; stems triangular, from 10
to 25 inches (25 to 65 cm.) tall; occurs from southern Quebec
and Ontario, southward into the United States, where it is most
common; margins of waterways, and in bogs and marshes; weedy in
a wide range of habitats; native of North and South America.
