Cyperus cyperoides

Family	Cyperaceae
Scientific name	Cyperus cyperoides (L.) O. Kuntze
Synonyms	Cyperus cylindrostachys Boeckeler; Cyperus cyperoides (L.) Britton; Cyperus cyperoides (L.) O. Kuntze var. polyphyllus (L.) O. Kuntze; Cyperus sieberanus (Nees) K. Schumann; Cyperus subumbellatus Kükenthal; Cyperus subumbellatus Kükenthal var. subglobosus Kükenthal; Cyperus umbellatus Miquel; Cyperus umbellatus Bentham; Kyllinga sumatrensis (Retzius) T. Koyama; Kyllinga umbellata Rottbøll; Mariscus alternifolius Vahl; Mariscus cyperoides (L.) Urban; Mariscus cyperoides (L.) Steudel; Mariscus flabelliformis O. Kuntze; Mariscus sieberianus Nees ex C. B. Clarke; Mariscus sumatrensis (Retzius) J. Raynal; Mariscus sumatrensis (Retzius) T. Koyama; Mariscus umbellatus (Rottbøll) Vahl; Scirpus cyperoides L.
Common name	(Japanese common name) inu-kugu (イヌクグ, 犬莎草 [meaning: false flatsedge])
	(English common name) Pacific island flatsedge
Distribution	(Japan) Honshu (west of Chiba Prefecture), Shikoku, Kyushu, Okinawa
	(Other nations) Korea, China, Taiwan, Philippines, Malaysia, Indonesia, Papua New Guinea, Australia, Nepal, Bhutan, India, Sri Lanka, Pakistan, Eritrea, Ethiopia, Kenya, Tanzania, Uganda, Botswana, Namibia, South Africa
Habitat	Field or roadside near sea
Chromosomal number	2n=82, 88, 134, 220, 224
Description	Culms electing 30-80cm tall. Leaves 3-8mm wide. Flowers green spikelets 4-5mm long, flowering in June to October. Perennial plants..
Reference	Cyperus cyperoides (L.) Kuntze
	Cyperus cyperoides (L.) Kuntze

June 2008 at Kochi Prefecture Makino Botanical Garden	June 2008 at Kochi Prefecture Makino Botanical Garden	June 2008 at Kochi Prefecture Makino Botanical Garden

July 2008 at roadside near sea in Okinawa	July 2008 at roadside near sea in Okinawa	July 2008 at roadside near sea in Okinawa