Cyperus iria L.

Selected images: Click on each image to see a larger version and details of the record View all images (7)

Cyperus iria

Photo: Tony Benn
Extension 23, Gaborone

Cyperus iria

Photo: Tony Benn
Extension 23, Gaborone

Cyperus iria

Photo: Tony Benn
Extension 23, Gaborone

Cyperus iria

Photo: Tony Benn
Extension 23, Gaborone

Cyperus iria

Photo: Tony Benn
Extension 23, Gaborone

Cyperus iria

Photo: Tony Benn
Extension 23, Gaborone

Cyperus iria

Photo: Tony Benn
Extension 23, Gaborone

Detailed records: Display species records QDS maps by: Google Maps Point records by Google Maps

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.
Flowering time:
Worldwide distribution: Widespread in Africa, Asia and Australia; introduced in the Americas.
Botswana distribution: N,SE
Growth form(s):
Endemic status:
Red data list status:
Insects associated with this species:
Spot characters: Display spot characters for this species
Content 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 Zimbabwe: Cyperus iria

External websites:

African Plants: A Photo Guide (Senckenberg): Cyperus iria
African Plant Database: Cyperus iria
BHL (Biodiversity Heritage Library): Cyperus iria
EOL (Encyclopedia of Life): Cyperus iria
ePIC (electronic Plant Information Center): Cyperus iria
Flora Zambesiaca web site: Cyperus iria
GBIF (Global Biodiversity Information Facility): Cyperus iria
Google: Web - Images - Scholar
GRIN (Germplasm Resources Information Network): Cyperus iria
iNaturalist: Cyperus iria
IPNI (International Plant Names Index): Cyperus iria
JSTOR Plant Science: Cyperus iria
Kew Herbarium catalogue: Cyperus iria
Kew Monocotyledon checklist: Cyperus iria
Mansfeld World Database of Agricultural and Horticultural Crops: Cyperus iria
Plants of the World Online: Cyperus iria
The Plant List (version 1.1): Cyperus iria
Tropicos: Cyperus iria
Wikipedia: Cyperus iria


Copyright: Mark Hyde, Bart Wursten, Petra Ballings and Meg Coates Palgrave, 2014-20

Hyde, M.A., Wursten, B.T., Ballings, P. & Coates Palgrave, M. (2020). Flora of Botswana: Species information: Cyperus iria.
https://www.botswanaflora.com/speciesdata/species.php?species_id=109590, retrieved 7 August 2020

Site software last modified: 2 April 2018 9:51pm
Terms of use