Cyperus trigonellus Suess.

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Cyperus trigonellus

Photo: Bart Wursten
Cleveland Dam, Harare

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Synonyms: Cyperus pluribracteatus (Kük.) Govaerts
Cyperus psilostachys (C.B. Clarke) Kük.
Mariscus psilostachys C.B. Clarke
Common names:
Frequency:
Status: Native
Description:
Robust hairy perennial with swollen fleshy densely crowded culm bases. Culms 15-70 cm × 0.8-3 mm, triangular, hairy at least above. Leaves: lamina 10-30 cm × 2-5 mm, hairy; leaf sheaths fleshy. Involucral bracts 3-5, hairy. Inflorescence of one sessile and 2-7 stalked spikes; spikes 1-2.5 cm. Spikelets falling as a unit when mature. Glumes light brown, densely hairy; apex ± recurved.
Type location:
Zimbabwe, Marondera
Notes:
Derivation of specific name:
Habitat:
Altitude range: (metres)
Flowering time:
Worldwide distribution: Burundi, Rwanda, Uganda, Sudan-South Sudan, Kenya, Tanzania, Malawi, Zambia and Zimbabwe.
Growth form(s):
Endemic status:
Red data list status:
Insects associated with this species:
Spot characters: Display spot characters for this species
Literature:

Browning, J., Gordon-Gray, K.D., Lock, M., Beentje, H., Vollesen, K., Bauters, K., Archer, C., Larridon, I., Xanthos, M., Vorster, P., Bruhl, J., Wilson, K. & Zhang, X. (2020). Cyperaceae Flora Zambesiaca 14 Pages 234 - 235.

Chapano, C. & Mugarisanwa, N.H. (2003). Plants of the Matobo District National Herbarium and Botanic Garden, Zimbabwe Page 25. As Mariscus psilostachys

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 89. As Mariscus psilostachys and M. trigonellus

Ntore, S. & al. (2024). Checklist of the vascular plants of Burundi Page 100.


Other sources of information about Cyperus trigonellus:

Our websites:

Flora of Malawi: Cyperus trigonellus
Flora of Rwanda: Cyperus trigonellus
Flora of Zambia: Cyperus trigonellus
Flora of Zimbabwe: Cyperus trigonellus

External websites:

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


Copyright: The Burundi flora team, 2024-25

The Burundi flora team (2025). Flora of Burundi: Species information: Cyperus trigonellus.
https://www.burundiflora.com/speciesdata/species.php?species_id=110390, retrieved 7 October 2025

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