Skip to main content
This species is accepted, and its native range is SW. Tanzania to N. Malawi.
A specimen from Kew's Herbarium

[FTEA]

Cyperaceae, K Hoenselaar, B. Verdcourt & H. Beentje. Hypolytrum, D Simpson. Fuirena, M Muasya. Flora of Tropical East Africa. 2010

Type
Type: Tanzania: Mbeya District: Kitulo Plateau, Igoma–Kitulo road 5 km beyond Kikondo, Wingfield 529 (DSM, holo.; K!, iso.)
Morphology General Habit
Perennial up to 42 cm tall, densely tufted producing many black roots.
Morphology Culms
Culms tufted, 15–40 cm long, 0.5–1 mm wide, trigonous, almost smooth to slightly scabrid Culm base hard, covered with black fibres from old leaf sheaths.
Morphology Leaves
Leaf sheath purple to black, 1–3 cm long. Leaves up to 21 cm long. Leaf blade linear, flat, rather stiff, 5–18 cm long, 1.3–3 mm wide, scabrid on major veins and margins, apex acuminate
Morphology Reproductive morphology Inflorescences Bracts
Involucral bracts leaf-like, spreading or erect, 2–3, lowermost 2.3–10 cm long, 1–2.2 mm wide
Morphology Reproductive morphology Inflorescences
Inflorescence loosely capitate to simple, primary branches 0–3, 0–3 cm long.
Morphology Reproductive morphology Inflorescences Spikelets
Spikelets in digitate clusters, sessile and at the end of primary branches, 3–12 per cluster, lanceolate to ovoid, 6.8–10 mm long, 1.9–4 mm wide, the glumes spreading through maturity, rachis straight.
Morphology Reproductive morphology Inflorescences Bracts Glume
Glumes dark reddish-brown to black, lanceolateovate, 2.7–4 mm long, 0.6–1.4 mm wide, keel pale brown, apex acute to slightly acuminate
Morphology Reproductive morphology Flowers Androecium Stamens
Stamens 3.
Morphology Reproductive morphology Flowers Androecium Stamens Filaments
Filaments ± 1.6 mm long.
Morphology Reproductive morphology Flowers Androecium Stamens Anthers
Anthers 1–1.3 mm long
Morphology Reproductive morphology Fruits
Nutlet greyish to reddish-brown, ellipsoid, 1.3–1.5 mm long, 0.6–0.7 mm wide, slightly apiculate, minutely papillose.
Ecology
Thin soil over rocks; 1950–2750 m
Conservation
Lacks data on threats
Distribution
Flora districts: T7 Range: Not known elsewhere

Native to:

Malawi, Tanzania

Cyperus nyererei Lye appears in other Kew resources:

Date Reference Identified As Barcode Type Status
Wingfield, R. [529], Tanzania K000321449 isotype
Bidgood, S. [5357], Tanzania K000190587

First published in Nordic J. Bot. 3: 225 (1983)

Accepted by

  • Browning, J. & al. (2020). Flora Zambesiaca 14: 1-455. Royal Botanic Gardens, Kew.
  • Govaerts, R. & Simpson, D.A. (2007). World Checklist of Cyperaceae. Sedges: 1-765. The Board of Trustees of the Royal Botanic Gardens, Kew.
  • Govaerts, R. (1999). World Checklist of Seed Plants 3(1, 2a & 2b): 1-1532. MIM, Deurne.
  • Hoenselaar, K., Verdcourt, B. & Beentje, H. (2010). Cyperaceae Flora of Tropical East Africa: 1-466.

Literature

Kew Backbone Distributions

  • Browning, J. & al. (2020). Flora Zambesiaca 14: 1-455. Royal Botanic Gardens, Kew.

Flora of Tropical East Africa

  • Haines & Lye, Sedges & Rushes E. Afr.: 158, fig. 293 (1983).
  • Nordic Journ. Bot. 3: 225 (1983)

Flora of Tropical East Africa
Flora of Tropical East Africa
http://creativecommons.org/licenses/by-nc-sa/3.0

Herbarium Catalogue Specimens
Digital Image © Board of Trustees, RBG Kew http://creativecommons.org/licenses/by/3.0/

Kew Backbone Distributions
The International Plant Names Index and World Checklist of Selected Plant Families 2021. Published on the Internet at http://www.ipni.org and http://apps.kew.org/wcsp/
© Copyright 2017 World Checklist of Selected Plant Families. http://creativecommons.org/licenses/by/3.0

Kew Names and Taxonomic Backbone
The International Plant Names Index and World Checklist of Selected Plant Families 2021. Published on the Internet at http://www.ipni.org and http://apps.kew.org/wcsp/
© Copyright 2017 International Plant Names Index and World Checklist of Selected Plant Families. http://creativecommons.org/licenses/by/3.0