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This species is accepted, and its native range is W. & S. Tanzania to S. Africa.

[FTEA]

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

Type
Type: Angola, between Ferrao da Salo and Catumba, Welwitsch 6811 (BM, holo.)
Morphology General Habit
Perennial, fairly robust, up to 40 cm tall, with an erect rhizome.
Morphology Culms
Culms densely clustered, 10–40 cm long, 0.8–1.2 mm wide, triquetrous, glabrous, when producing viviparous spikelets often decumbent
Morphology Leaves
Leaves up to 15 cm long. Leaf blade linear, flat ?, 8–15 cm long, 1–2 mm wide, scabrid on margin and primary vein Leaf sheath purplish to reddish-brown, 1–12 cm long.
Morphology Reproductive morphology Inflorescences Bracts
Involucral bracts leaf-like, erect to spreading, 3–4, lowermost 4–10 cm long
Morphology Reproductive morphology Inflorescences
Inflorescence a solitary spike ± 5 mm across, of 6–15 spikelets.
Morphology Reproductive morphology Inflorescences Spikelets
Spikelets narrowly ovoid, 4–7 mm long, 1–1.5 mm wide, usually 2-flowered but often with leafy young plants arising from spikelets.
Morphology Reproductive morphology Inflorescences Bracts Glume
Glumes golden to strawcoloured, ovate, 4–7 mm long, keel green, excurrent, apex mucronate
Morphology Reproductive morphology Flowers Androecium Stamens
Stamens 3.
Morphology Reproductive morphology Flowers Androecium Stamens Filaments
Filaments to 3 mm long.
Morphology Reproductive morphology Flowers Androecium Stamens Anthers
Anthers 2.2–2.5 mm long
Morphology Reproductive morphology Fruits
Nutlet yellowish-brown, ovoid, flattened, only seen very immature.
Ecology
Swampy stream-side; 1050–1900 m
Conservation
Least concern (LC)
Note
Closely related to K. brevifolia but distinct in viviparous spikelets.
Distribution
Range: Angola, Malawi, Zimbabwe, South Africa Flora districts: T4 T8

Native to:

Angola, KwaZulu-Natal, Malawi, Tanzania, Zambia, Zimbabwe

Cyperus ridleyi Mattf. & Kük. appears in other Kew resources:

First published in H.G.A.Engler (ed.), Pflanzenr., IV, 20(101): 599 (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 pauciflora.]
  • Govaerts, R. (1999). World Checklist of Seed Plants 3(1, 2a & 2b): 1-1532. MIM, Deurne. [Cited as Kyllinga pauciflora.]
  • Hoenselaar, K., Verdcourt, B. & Beentje, H. (2010). Cyperaceae Flora of Tropical East Africa: 1-466. [Cited as Kyllinga pauciflora.]

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

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