Cyperus laxus Lam.
subsp. sylvestris (Ridl.) Lye

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Cyperus laxus subsp. sylvestris

Protea Hill Farm
Mar 2008
Photo: Mike Bingham

Cyperus laxus subsp. sylvestris

Protea Hill Farm
Mar 2010
Photo: Mike Bingham

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Synonyms: Cyperus diffusus Vahl subsp. sylvestris (Ridl.) Kük.
Common names:
Frequency: Common
Status: Native
Herb. Culms 50-113 cm long, 2.8-4 mm wide. Leaves 36-53 cm long, 9-13 mm wide; glumes 1.9-3 mm long, 1.3-1.6 mm wide, scabrid near the apex.
Type location:
Notes: C. laxus subsp. laxus is native to the American continent. Subsp. buchholzii (Boeck.) Lye is recognized as a second subspecies in central Africa by some authorities. Its status in Zambia may be clarified when the FZ account is published.
Red data list status: Not threatened, least concern
Derivation of specific name: laxus: open, loose, lax.
sylvestris:of the forest
Habitat: Plantations and secondary vegetation.
Altitude range: 450 - 1850 m
Flowering time:Jan
Worldwide distribution:
Zambian distribution (Flora Zambesiaca): N,W,C,S
Zambian distribution (Provinces): Nw,Lp,N,Lk,S
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: Wednesday 1 February 2017

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

Hoenselaar, K., Verdcourt, B. & Beentje, H.J. (2010). Cyperaceae Flora of Tropical East Africa Pages 209 - 210. Illustrations on pages 201-202 (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.

Other sources of information about Cyperus laxus subsp. sylvestris:

Our websites:

Flora of Zimbabwe: Cyperus laxus subsp. sylvestris

External websites:

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

Copyright: Mike Bingham, Annette Willemen, Bart Wursten, Petra Ballings and Mark Hyde, 2011-24

Bingham, M.G., Willemen, A., Wursten, B.T., Ballings, P. and Hyde, M.A. (2024). Flora of Zambia: Species information: Cyperus laxus subsp. sylvestris., retrieved 1 March 2024

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