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Cyperus iria
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Photo: Tony Benn
Extension 23, Gaborone
Photo: Tony Benn
Extension 23, Gaborone
Photo: Tony Benn
Extension 23, Gaborone
Photo: Tony Benn
Extension 23, Gaborone
Photo: Tony Benn
Extension 23, Gaborone
Photo: Tony Benn
Extension 23, Gaborone
Photo: Tony Benn
Extension 23, Gaborone
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Species details: Click on each item to see an explanation of that item (Note: opens a new window)
| Synonyms: |
Chlorocyperus iria (L.) Rikli Cyperus chrysomelinus Link Cyperus diaphaniria Steud. Cyperus nangtciangensis Pamp. Cyperus paniciformis Franch. & Sav. Cyperus panicoides Lam. Cyperus santonici Rottb. |
| Common names: | |
| Frequency: | |
| Status: | Native |
| Description: |
Tufted annual, up to 45 cm tall with 3-angled hairless stems. Leaves linear, up to 37 cm long, flat to folded, scabrid on margins and veins. Bracts 2-4, leaf-like, spreading, 2–4, 14–30 cm long. Inflorescence with 3-8 primary branches, up to 11 cm long. Spikelets in irregular clusters, sessile, 4–14.3 mm long; rachis straight to zigzag. Glumes obovate to rounded, 1.4–1.9 mm long, golden brown with an uncoloured margin; keel greenish. Stamens 2–3. Nutlets dark brown to almost black, ellipsoid-obovoid, 1.3–1.6 mm long, 3-sided. |
| Notes: | |
| Derivation of specific name: | |
| Habitat: | In marshy grassland, at the edges of seasonal pools and on streambanks. |
| Altitude range: (metres) | |
| Flowering time: | |
| Worldwide distribution: | Widespread in Africa, Asia and Australia; introduced in the Americas. |
| Zimbabwe distribution: | N,E,S |
| Growth form(s): | |
| Endemic status: | |
| Red data list status: | |
| Insects associated with this species: | |
| Spot characters: | Display spot characters for this species |
| Images last updated: | Saturday 4 July 2020 |
| Literature: |
Gordon-Gray, K.D. (1995). Cyperaceae in Natal Strelitzia 2 Page 59. Heath, A. & Heath, R. (2009). Field Guide to the Plants of Northern Botswana including the Okavango Delta Kew Publishing Page 534. (Includes a picture). Hoenselaar, K., Verdcourt, B. & Beentje, H.J. (2010). Cyperaceae Flora of Tropical East Africa Page 214. 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 88. Setshogo, M.P. (2005). Preliminary checklist of the plants of Botswana. Sabonet Report no. 37. Sabonet, Pretoria and Gaborone Page 119. |
Other sources of information about Cyperus iria:
Our websites:
Flora of Botswana: Cyperus iriaExternal websites:
African Plants: A Photo Guide (Senckenberg): Cyperus iriaAfrican Plant Database: Cyperus iria
BHL (Biodiversity Heritage Library): Cyperus iria
EOL (Encyclopedia of Life): Cyperus iria
GBIF (Global Biodiversity Information Facility): Cyperus iria
Google: Web - Images - Scholar
iNaturalist: Cyperus iria
IPNI (International Plant Names Index): Cyperus iria
JSTOR Plant Science: Cyperus iria
Mansfeld World Database of Agricultural and Horticultural Crops: Cyperus iria
Plants of the World Online: Cyperus iria
Tropicos: Cyperus iria
Wikipedia: Cyperus iria
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