Cyperus iria




Family Cyperaceae
Scientific name Cyperus iria L.
Synonyms Chlorocyperus iria L.; Cyperus alulatus Kern; Cyperus chrysomelinus Link; Cyperus diaphaniria Steudel; Cyperus iria L. forma chrysomelinus (Link) Kükenthal; Cyperus iria L. forma diaphaniria (Steudel) Miquel; Cyperus iria L. var. paniciformis (Franchet & Savatier) C. B. Clarke; Cyperus iria L. var. parviflorus (Nees) Miquel; Cyperus iria L. var. rectangularis Kükenthal; Cyperus iria L. var. santonici (Rottbøll) Fernald & Griscom; Cyperus microiria Steudel; Cyperus microlepis Baker; Cyperus nangtcianensis Pampanini; Cyperus nuttalii Llanos; Cyperus paniciformis Franchet & Savatier; Cyperus panicoides Lamarck; Cyperus parviflorus Nees; Cyperus resinosus Hochstetter ex Steudel; Cyperus santonici Rottbøll; Cyperus seminudus Zollinger & Moritzi
Common name (Japanese common name) ko-gome-gayatsuri [tiny rice mosquito net hanging weed]
(English common name) grasshopper's-cyperus, rice flatsedge, ricefield flatsedge, umbrella sedge
Distribution (Japan) Honshu, Shikoku, Kyushu
(Other nations) worldwide
Chromosomal number unknown
Description Plants culms 30-60cm. Flowers yellow spikelets 5-10mm, flowering in August to October. Annual plants..
Reference Cyperus iria L.
Cyperus iria L.
Cyperus iria Linnaeus
Note common



July 2007 at rice paddy July 2007 at rice paddy July 2007 at rice paddy



October 2006 at rice paddy