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This species is accepted, and its native range is Tanzania to Zimbabwe.
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, Peter 33394a!, 34101!, 34142!, 34236!, 34444!, 34723! (with label ‘after this sheet the drawings in F.D.-O.A. have been made'), 34868!, 45845! (B, syn.); lectotype: Nhulu, E of Malongwe towards Tura, km 723, Peter 34723 (chosen here)
Morphology General Habit
Perennial, fairly robust, up to 62 cm tall, with a short thick rhizome.
Morphology Culms
Culms several closely together on short rhizome, 20–60 cm long, 1.3–2 mm wide, trigonous, glabrous
Morphology Leaves
Leaves up to 25 cm long. Leaf sheath grey to brown, 1–6 cm long, many at base but only slightly splitting up into fibres. Leaf blade linear, flat or folded, 5–25 cm long, 2–4 mm wide, scabrid on margin
Morphology Reproductive morphology Inflorescences Bracts
Involucral bracts leaf-like, spreading, 3–4(–12), lowermost 6–12 cm long
Morphology Reproductive morphology Inflorescences
Inflorescence a cylindrical spike 1–1.5 cm long, 6–10 mm wide.
Morphology Reproductive morphology Inflorescences Spikelets
Spikelets ovoid, 3–5.5 mm long, 1.5–2 mm wide, 2–3-flowered but perfecting 1–2 nutlets only.
Morphology Reproductive morphology Inflorescences Bracts Glume
Glumes pale reddish-brown but somewhat blackish at apex, ovate, 3–4.5 mm long, keel slightly excurrent with a few teeth [not visible in plate!], 3 veins on either side, apex acuminate
Morphology Reproductive morphology Flowers Androecium Stamens
Stamens ? 2
Morphology Reproductive morphology Fruits
Nutlet almost black, ellipsoid, flattened, ± 2 mm long, ± 0.8 mm wide, minutely papillose.
Ecology
Swamps and lake margins; 1100–1250 m
Conservation
Not enough data to make an assessment; all the collections from Tanzania are more than 70 years old
Distribution
Range: Zambia Flora districts: T4 T5

Native to:

Tanzania, Zambia, Zimbabwe

Cyperus peteri Kük. appears in other Kew resources:

Date Reference Identified As Barcode Type Status
Peter, A. [45845], Tanzania Kyllinga peteri K000416306 syntype

First published in H.G.A.Engler (ed.), Pflanzenr., IV, 20(101): 575 (1936)

Not accepted by

  • Govaerts, R. & Simpson, D.A. (2007). World Checklist of Cyperaceae. Sedges: 1-765. The Board of Trustees of the Royal Botanic Gardens, Kew. [Cited as Kyllinga peteri.]
  • Govaerts, R. (1999). World Checklist of Seed Plants 3(1, 2a & 2b): 1-1532. MIM, Deurne. [Cited as Kyllinga peteri.]

Literature

Kew Backbone Distributions

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

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