Cyperus dubius Rottb.

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Photo: Bart Wursten
Fern Valley Dam, South of Mutare

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Synonyms:	Cyperus dubius Rottb. var. dubius Mariscus dregeanus Kunth Mariscus dubius (Rottb.) Kük. ex C.E.C.Fisch.
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Description:	Perennial, culms up to 45 cm tall. tufted, crowded; culms 8-40 cm long, bluntly to sharply triangular, bases bulbous. Leaves many, linear, 1-5 mm wide, scabrid on the margins and veins. Inflorescence capitate, green, greenish-white or white tinged green, hemispherical to ovoid.
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Derivation of specific name:	dubius: uncertain, doubtful
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Worldwide distribution:	Throughout Africa and India.
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Spot characters:	Display spot characters for this species
Literature:	Burrows, J.E. & Willis, C.K. (eds) (2005). Plants of the Nyika Plateau Southern African Botanical Diversity Network Report No. 31 SABONET, Pretoria Page 301. as Mariscus dubius dubius Chapano, C. & Mamuto, M. (2003). Plants of the Chimanimani District National Herbarium and Botanic Garden, Zimbabwe Page 19. Gordon-Gray, K.D. (1995). Cyperaceae in Natal Strelitzia 2 Pages 129 - 131. (Includes a picture). Heath, A. & Heath, R. (2009). Field Guide to the Plants of Northern Botswana including the Okavango Delta Kew Publishing Page 520. (Includes a picture). Hoenselaar, K., Verdcourt, B. & Beentje, H.J. (2010). Cyperaceae Flora of Tropical East Africa Pages 186 - 187. Mapaura, A. & Timberlake, J. (eds) (2004). A checklist of Zimbabwean vascular plants Southern African Botanical Diversity Network Report No. 33 Sabonet, Pretoria and Harare Page 89. As Mariscus dubius and M. dregeanus Setshogo, M.P. (2005). Preliminary checklist of the plants of Botswana. Sabonet Report no. 37. Sabonet, Pretoria and Gaborone Page 118. Timberlake, J.R. & Childes, S.L. (2004). Biodiversity of the Four Corners Area: Technical Reviews Volume Two (Chapter 5-15) Appendix 5-1: Plant Checklist Occasional Publications in Biodiversity 15 Page 183. as Mariscus dubius

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Flora of Botswana: Cyperus dubius
Flora of Malawi: Cyperus dubius
Flora of Mozambique: Cyperus dubius
Flora of Zambia: Cyperus dubius
Flora of Zimbabwe: Cyperus dubius

External websites:

African Plants: A Photo Guide (Senckenberg): Cyperus dubius
African Plant Database: Cyperus dubius
BHL (Biodiversity Heritage Library): Cyperus dubius
EOL (Encyclopedia of Life): Cyperus dubius
GBIF (Global Biodiversity Information Facility): Cyperus dubius
Google: Web - Images - Scholar
iNaturalist: Cyperus dubius
IPNI (International Plant Names Index): Cyperus dubius
JSTOR Plant Science: Cyperus dubius
Mansfeld World Database of Agricultural and Horticultural Crops: Cyperus dubius
Plants of the World Online: Cyperus dubius
Tropicos: Cyperus dubius
Wikipedia: Cyperus dubius