Yellow Nutsedge (Cyperus Esculentus)

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Yellow Nutsedge (Cyperus esculentus) Description This native perennial sedge grows up to 80 cm tall with shallow root system is fibrous, rhizomatous, and tuberous. Tubers are more or less globes, usually soft, with rings around the tuber. The central stem is 3-angled, and mostly covered by the sheaths of the leaves. Leaves are grass-like, up to 30 cm long and 12 mm wide, expanded, glabrous, smooth and shiny. Originate from the base of the plant. There is an obvious channel along the central vein of each leaf blade, especially the larger ones. Has a compound or simple umbel inflorescence. Spikelets are up to 2 cm long, 8-14 flowered straw-colored or often yellow, compressed; glumes ovate. At the base of each John Cardina, The Ohio State University, Bugwood.org umbel or compound umbel of spikelets, there are several leafy bracts of varying length; the largest bract is usually longer than the inflorescence. Key Identifiers Perennial with rhizomes terminating in tubers or leafy plants Stems triangular Unbranched plant with hair-less grass-like leaves towards base or just below inflorescence Location in Canada In Canada, yellow nutsedge occurs in Nova Scotia, New Brunswick, southern Quebec and southern Ontario. Resources http://www.weedinfo.ca/weed.php?w=CYPES THE BIOLOGY OF CANADIAN WEEDS. 17. Cyperus esculentus L. Similar species Cyperus spp. Other species of nut sedge also occur in Alberta but are not troublesome and not likely to occur in cultivated land. Steve Dewey, Utah State University, Bugwood.org Cyperus esculentus can be distinguished from Cyperus species by the conspicuous scales on its rhizomes and by its terminal tubers. Both of these characteristics are entirely absent in the other species. It is easily distinguished from all grasses by its triangular stem together with slender, tuber-bearing rhizomes. .

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Medical, Therapeutic and Pharmaceutical Use of Cyperus Articulatus L
11 Medical, Therapeutic and Pharmaceutical Use of Cyperus articulatus L. – a Review Inês Ribeiro Machado1, Keila Rêgo Mendes2, Michel Rios Arévalo3, Aline Aparecida Munchen Kasper3, Kelly Christina Ferreira Castro3, Homero de Giorge Cerqueira2, Amanda Souza Silva3 & Lauro Euclides Soares Barata3 Recebido em 19/03/2020 – Aceito em 08/05/2020 1 Universidade Estadual do Norte Fluminense Darcy Ribeiro/UENF, Avenida Alberto Lamego 2000, Parque Califórnia, Campos dos Goytacazes/RJ, Brasil. CEP: 28.013-600. <[email protected]>. 2 Instituto Chico Mendes de Conservação da Biodiversidade/ICMBio, EQSW 103/104, Bloco “B”, Complexo Administrativo, Setor Sudoeste, Brasília/DF, Brasil. CEP: 70.670-350. <[email protected], [email protected]>. 3 Universidade Federal do Oeste do Pará/UFOPA, Rua Vera Paz s/n (Unidade Tapajós), Bairro Salé, Santarém/PA, Brasil. CEP: 68.040-255. <[email protected], [email protected], [email protected], [email protected], [email protected]>. ABSTRACT – Cyperus articulatus L., belonging to the Cyperaceae family, is a plant species that has almost insignificant flowers at its ends. The stalks of the species produce tubers that, when cut, give off a fresh, woody and spicy smell; they are traditionally used in baths and in the manufacture of artisanal colonies in northern Brazil. In addition to use in cosmetics and perfumery, the plant also has medicinal and pharmacological properties. Among the pharmacological properties are the antimalarial, sedative, hepatoprotective, contraceptive effects on the central nervous system (CNS), insecticide, antimicrobial, anticancer, antioxidant, anticonvulsant, anthococcosis. The metabolites found related to the mentioned activities were cyperotundone, alpha-cyperone, mustacone for antimalarial activity in the chloroform extract of the priprioca rhizomes.
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