Cyperaceae - sedge family

Gerald A. Mulligan
Research Scientist and Research Institute Director (retired) and presently Honorary Research Associate, Agriculture and Agri-Food Canada,
Ottawa, Ontario K1A 0C6, Canada

Awarded the George Lawson Medal by the Canadian Botanical Association in 2006.
Awarded the Faculty of Macdonald, McGill University, Most Distinguished Alumni Award on October 18, 2014.
Read his biography "The Real Weed Man" available in print and ebook.

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.

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Weed Name Photo Weed Name Photo
yellow nut sedge, souchet comestible                                                                             
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