Spermatophyta: Monocotyledonae: Poales

Cyperaceae - Sedge family

Browning, J. & Goetghebeur, P. (2017) Sedge (Cyperaceae) Genera of Africa and Madagascar Troubador (Matador), Leicester, UK

Gibbs Russell, G.E. (1977) Keys to Vascular Aquatic Plants in Rhodesia Kirkia 10(2) 411-502

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

Govaerts, R., Koopman, J., Simpson, D., Goetghebeur, P., Wilson, K., Egorova, T. & Bruhl, J. (2010) World Checklist of Cyperaceae The Board of Trustees of the Royal Botanic Gardens, Kew. Published on the Internet: http://www.kew.org/wcsp/ accessed 10 July 2010

Haines, R.W. & Lye, K. (1983) The Sedges and Rushes of East Africa East African Natural History Society, Nairobi, Kenya

Mesterházy, A., Browning, J. & Verloove, F. (2022) Cyperaceae of tropical West Africa Meise Botanic Garden

Description of the family

Annual or perennial herbs, usually most abundant in wet places. Culms usually triangular, usually solid. Leaves: alternate, usually 3-ranked, simple, grass-like or reduced to sheaths; sheath usually closed; ligule usually 0; lamina usually linear or setaceous. Inflorescence consisting of numerous spikelets, usually arranged in an anthela or panicle, often ± umbellate and subtended by leaf-like bracts. Flowers bisexual or unisexual, arising in the axils of a single bract (glume) without a bracteole, or in tribe Cariceae, the female flowers surrounded by a closed utricle. Glumes usually spirally arranged in 1-many-flowered spikelets. Perianth (only present in the tribes Scirpeae and Rhynchosporeae) consisting of 3-6 (rarely more) hairs, bristles or scales, in other tribes 0. Stamens (1-)2-3; anthers basifixed. Ovary superior, 1-locular with 1 erect ovule. Style simple; stigmas 2 or 3. Fruit a 1-seeded nut, biconvex or trigonous. Seeds free from the pericarp.

Worldwide: 98 genera and 4,350 species, cosmopolitan but especially temperate areas.

Rwanda: 0 genera and 0 taxa.

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Links to genera:     View: living plant images - herbarium specimen images - all images for this family

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Other sources of information about Cyperaceae:

Our websites:

Flora of Botswana: Cyperaceae
Flora of Burundi: Cyperaceae
Flora of Caprivi: Cyperaceae
Flora of the DRC: Cyperaceae
Flora of Malawi: Cyperaceae
Flora of Mozambique: Cyperaceae
Flora of Zambia: Cyperaceae
Flora of Zimbabwe: Cyperaceae
Flora of Zimbabwe: cultivated Cyperaceae

External websites:

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





Flora of Rwanda: Family page: Cyperaceae.
https://www.rwandaflora.com/speciesdata/family.php?family_id=69, retrieved 16 October 2024

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