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This species is accepted, and its native range is Ethiopia to Tanzania.
A specimen from Kew's Herbarium

[FSOM]

M. Thulin et al. Flora of Somalia, Vol. 1-4 [updated 2008] https://plants.jstor.org/collection/FLOS

Morphology General Habit
Tufted perennial with the stem-bases covered by the fibrous remains of old torn leaf-sheaths
Morphology Stem
Stems 15–50 cm long and 0.5–1.5 mm thick, sharply triangular with 1–3 longitudinal ridges on each of the 3 sides, densely scabrid at least on ridges above
Morphology Leaves
Leaves with 10–25 cm long and 2–5 mm wide blades, strongly scabrid on midrib and margins
Morphology Reproductive morphology Inflorescences
Inflorescence a globose or somewhat irregular whitish head 0.7–1.5 cm in diam., with a solitary spike or more commonly with 1–3 small inconspicuous lateral spikes surrounding the central spike; involucral bracts 2–4, leafy and reflexed or spreading, the largest 2–15 cm long
Morphology Reproductive morphology Inflorescences Spikelets
Spikelets 4–6 mm long, 2–4-flowered
Morphology Reproductive morphology Inflorescences Bracts Glume
Glumes 3–4 mm long, whitish with many prominent lateral nerves; keel unwinged, glabrous or with a few prostrate hairs
Morphology Reproductive morphology Flowers Gynoecium Style
Style with 2 long branches
Morphology Reproductive morphology Fruits
Nutlet 1.5–1.7 x 0.7–0.8 mm wide, flattened, minutely papillose.
Distribution
N3; S1 East Africa.

[FTEA]

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

Type
Type: Tanzania, Uyanzi District [? Dodoma District], 4068 feet, Speke & Grant s.n. (K, holo., out on loan)
Morphology General Habit
Perennial, up to 52 cm tall, with short rhizome and culm-bases covered by the fibrous remains of old torn leaf sheaths.
Morphology Culms
Culms tufted, 15–50 cm long, 0.5–2 mm wide, sharply triangular, with 1–3 longitudinal ridges on each of the three sides, densely scabrid at least on ridges above
Morphology Leaves
Leaf blade linear, 10–20 cm long, 3–5 mm wide, strongly scabrid on margins Leaf sheath red-brown. Leaves up to 20 cm long.
Morphology Reproductive morphology Inflorescences Bracts
Involucral bracts leaf-like, spreading to reflexed, 2–4, lowermost 3–15 cm long
Morphology Reproductive morphology Inflorescences
Inflorescence capitate, white, globose or somewhat irregular in outline, 7–15 mm in diameter, with a solitary spike or more commonly with 1–3 lateral spikes surrounding the central spike.
Morphology Reproductive morphology Inflorescences Spikelets
Spikelets 3.5–6 mm long, 2–4-flowered.
Morphology Reproductive morphology Inflorescences Bracts Glume
Glumes whitish, 3–4 mm long, glabrous, keel unwinged, with many prominent veins on either side
Morphology Reproductive morphology Flowers Androecium Stamens
Stamens 3
Morphology Reproductive morphology Fruits
Nutlet yellow when young, obovoid-oblong, flattened, 1.5–2 mm long, 0.5–0.8 mm wide, minutely papillose.

Doubtfully present in:

Kenya

Native to:

Ethiopia, Somalia, Tanzania

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

Date Reference Identified As Barcode Type Status
Speke [s.n.], Tanzania Kyllinga comosipes K000416299

First published in H.G.A.Engler (ed.), Pflanzenr., IV, 20(101): 568 (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 comosipes.]
  • Govaerts, R. (1999). World Checklist of Seed Plants 3(1, 2a & 2b): 1-1532. MIM, Deurne. [Cited as Kyllinga comosipes.]

Literature

Kew Backbone Distributions

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

Flora of Somalia

  • Flora Somalia, Vol 4, (1995) Author: by K. A. Lye [updated by M. Thulin 2008]

Flora of Somalia
Flora of Somalia
http://creativecommons.org/licenses/by-nc-sa/3.0

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