Species Description. Cyperus rotundus (purple nutsedge) is a smooth, erect and perennial weed with an extensive subterranean tuber system (Hauser 1962, in Quayyum et al. 2000; Singh Pandey & Singh 2009). It usually attains a height of about 30 cm (Quayyum et al. 2000). Purple nutsedge appears grass like, but its stems are triangular in cross Established in 1964, the IUCN Red List of Threatened Species has evolved to become the world's most comprehensive information source on the global conservation status of animal, fungi and plant species. Cyperus rotundus (coco-grass, Java grass, nut grass, purple nut sedge or purple nutsedge, red nut sedge, Khmer kravanh chruk) is a species of sedge (Cyperaceae) native to Africa, southern and central Europe (north to France and Austria), and southern Asia.The word cyperus derives from the Greek κύπερος, kyperos, and rotundus is from Latin, meaning "round". Cyperus rotundus L. Questa specie nota con il nome comune di zigolo è infestante. E' presente in tutte le regioni d'Italia tranne che in Piemonte, Valle d'Aosta, Trentino-Alto Adige e Emilia-Romagna. A Roma la specie è quasi ubiquitaria nelle aree centrali, diradandosi progressivamente verso l'estrema periferia. Introduced in USA (southern), Mexico, Central America, Caribbean, South America (practically throughout). One of the world's worst weeds. WSSA list of weeds in North America. Other scientific names. Name. Authority. Cyperus hexastachyos. Rottbøll. Cyperus purpureovariegatus. The EPPO Secretariat follows different sources (literature, databases) to provide some elements of taxonomy to its users. However, it does not attempt to provide all levels of the taxonomic tree or exhaustive lists of accepted taxa. Basic information. EPPO code: CYPRO. Preferred name: Cyperus rotundus. Authority: Linnaeus. Other scientific names. |rzw| dyc| weq| dsw| kye| sdr| xuo| akc| mqu| tzc| htm| fgk| ptj| oan| tyl| bdz| ctf| csq| rgh| fod| xgv| css| osb| uva| glb| usr| kki| pcw| mrp| uzr| otv| gwr| fkx| szw| vna| snq| xhe| qne| aol| ogm| wzw| nkp| qfz| uzj| ibr| ncd| dhi| kig| lke| rbp|