Cyperus longus L.
var. tenuiflorus (Rottb.) Kük.

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Cyperus longus var. tenuiflorus

Mapanza, Mutama River
Apr 1956
Record: E.A. Robinson
Photocopy by Mike Bingham

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Common names:
Status: Native
Perennial, up to 1 m tall.
FTEA does not recognize subspecific taxa, but notes that the species is very polymorphic. According to Gordon-Gray var. longus is never weedy, occurring in natural environments and is relatively rare, while var. tenuiflorus tends to be weedy and is frequently confused with the notorious weed C. rotundus, differing only in the faintly swollen stem bases and somewhat shorter glumes.
Type location:
Locality unknown
Notes: According to Gordon-Gray var. longus is not weedy, whereas var. tenuiflorus frequently is so.
Derivation of specific name:
Habitat: Lake edges, ditches, black cotton soil, periodically flooded areas in grassland.
Altitude range: Up to 1000 m
Flowering time:
Worldwide distribution: Widespread in Africa and southern Europe.
Zambian distribution (Flora Zambesiaca): B,E,S
Zambian distribution (Provinces): E,S,W
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: Thursday 2 February 2017

Chapano, C. & Mugarisanwa, N.H. (2003). Plants of the Matobo District National Herbarium and Botanic Garden, Zimbabwe Page 12. As Cyperus longus longus

Gordon-Gray, K.D. (1995). Cyperaceae in Natal Strelitzia 2 Pages 61 - 63.

Hoenselaar, K., Verdcourt, B. & Beentje, H.J. (2010). Cyperaceae Flora of Tropical East Africa Pages 209 - 210. Illustration page 230 (Includes a picture).

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.

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 182. as Cyperus longus

Other sources of information about Cyperus longus var. tenuiflorus:

Our websites:

Flora of Botswana: Cyperus longus var. tenuiflorus
Flora of Caprivi: Cyperus longus var. tenuiflorus
Flora of Zimbabwe: Cyperus longus var. tenuiflorus

External websites:

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

Copyright: Mike Bingham, Annette Willemen, Bart Wursten, Petra Ballings and Mark Hyde, 2011-23

Bingham, M.G., Willemen, A., Wursten, B.T., Ballings, P. and Hyde, M.A. (2023). Flora of Zambia: Species information: Cyperus longus var. tenuiflorus., retrieved 29 November 2023

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