Cyperus involucratus Rottb.

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Cyperus involucratus

Photo: Bart Wursten
Hillside Park, Harare

Cyperus involucratus

Photo: Bart Wursten
Hillside Park, Harare

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Synonyms: Cyperus alternifolius L. subsp. flabelliformis Kük.
Cyperus flabelliformis Rottb.
Common names:
Frequency: Frequent
Status: Native [and introduced?]
Robust perennial, with a 2-10 cm thick creeping woody rhizome. Culms 25-150 cm × 1.5-7 mm, with sheaths and scales below. Leaves 0. Inflorescence a compound anthela, 5-25 cm in diameter, subtended by numerous (15-25) leafy involucral bracts; bracts 10-35 cm × 3-20 mm, spirally arranged. Secondary subumbels composed of few-many stalked inflorescence clusters. Spikelets flattened, brown, 15-30 flowered, arranged in digitate clusters. Glumes 1-2 mm, straw-coloured or golden to reddish-brown, shining; midrib 3-keeled. Stamens 3. Stigmas 3. Nutlet 0.8-0.9 mm, brownish, minutely papillose.
Notes: The status of this plant is not clear to me. Some of the plants seen appear to be garden escapes.
Derivation of specific name:
Habitat: In vleis and marshy grassland and on stream banks, also cultivated in gardens and occasionally escaping into ditches.
Altitude range: (metres)
Flowering time:
Worldwide distribution:
Zimbabwe distribution: N,W,C,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: Sunday 13 November 2005

Setshogo, M.P. (2005). Preliminary checklist of the plants of Botswana. Sabonet Report no. 37. Sabonet, Pretoria and Gaborone Page 119.

Strugnell, A.M. (2006). A Checklist of the Spermatophytes of Mount Mulanje, Malawi Scripta Botanica Belgica 34 National Botanic Garden of Belgium Page 76. as Cyperus alternifolius


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Other sources of information about Cyperus involucratus:

Our websites:

Flora of Botswana: Cyperus involucratus
Flora of Malawi: Cyperus involucratus
Flora of Zambia: Cyperus involucratus

External websites:

African Plant Database: Cyperus involucratus
Biodiversity Explorer (Biodiversity of southern Africa): Cyperus involucratus
EOL (Encyclopedia of Life): Cyperus involucratus
ePIC (electronic Plant Information Center): Cyperus involucratus
Flora Zambesiaca web site: Cyperus involucratus
Google: Web - Images - Scholar
GRIN (Germplasm Resources Information Network) taxonomy for plants report for Cyperus involucratus
IPNI (International Plant Names Index): Cyperus involucratus
Ispot Southern Africa : Cyperus involucratus
JSTOR Plant Science: Cyperus involucratus
Kew Herbarium catalogue: Cyperus involucratus
Kew Monocotyledon checklist: Cyperus involucratus
Tropicos: Cyperus involucratus
West African Plants database: Cyperus involucratus

Copyright: Mark Hyde, Bart Wursten, Petra Ballings and Meg Coates Palgrave, 2002-16

Hyde, M.A., Wursten, B.T., Ballings, P. & Coates Palgrave, M. (2016). Flora of Zimbabwe: Species information: Cyperus involucratus., retrieved 29 May 2016

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