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This species is accepted, and its native range is S. Somalia to Coastal Kenya (incl. Kiunga Archipelago).
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: Kenya, Kilifi District: Malindi, Bogdan 2537 (K!, holo.)
Morphology General Habit
Perennial, fairly robust, up to 52 cm tall, producing very slender stolons ending in bulbs, stolons to 5 cm long and 0.5–0.8 mm in diameter, bulbs 2–2.5 cm long, ± 10 mm in diameter, covered by rather thin reddish-brown scales.
Morphology Culms
Culms few, 15–40 cm long, 1.5–2.7 mm wide, trigonous, glabrous
Morphology Leaves
Leaf blade linear, flat, at the base 5–10 cm long, higher up 10–38 cm long, 3–8 mm wide, rather thick and coriaceous, scabrid on at least margins, apex acuminate Leaves up to 46 cm long. Leaf sheath greyishwhite above, brownish below, rather wide, 3–8 cm long.
Morphology Reproductive morphology Inflorescences Bracts
Involucral bracts leaf-like, spreading, 3–8, lowermost 10–25 cm long, 3–5 mm wide
Morphology Reproductive morphology Inflorescences
Inflorescence a simple anthela, primary branches 7–8, 3–5 cm long.
Morphology Reproductive morphology Inflorescences Spikelets
Spikelets in lax almost digitate groups, sessile or at the end of primary branches, 4–12 per cluster, linear-lanceolate, almost rounded in crosssection, 8–20 mm long, 3–4 mm wide, rachis straight.
Morphology Reproductive morphology Inflorescences Bracts Glume
Glumes densely imbricate, pale reddish-brown to golden brown, broadly ovate, 3–4.6 mm long, 2.4–2.6 mm wide, keel slightly excurrent, with multiple veins on either side, apex acute to acuminate
Morphology Reproductive morphology Flowers Androecium Stamens
Stamens 3.
Morphology Reproductive morphology Flowers Androecium Stamens Filaments
Filaments ± 4.1 mm long.
Morphology Reproductive morphology Flowers Androecium Stamens Anthers
Anthers ± 1.9 mm long
Morphology Reproductive morphology Flowers Gynoecium Style
Style with 2 branches
Morphology Reproductive morphology Fruits
Nutlet greyish, obovoid, trigonous, ± 1.7–1.9 mm long, ± 1.3 mm wide, minutely papullose.
Ecology
On sand dunes and sandy soil near sea-shore; sea-level
Conservation
In a common habitat; possibly least Concern (LC)
Note
" C. afrodunensis is also recorded by Lye from the Kiunga Archipelo in Kenya, but I have only seen the type specimen.
Distribution
Flora districts: K7 Range: Somalia

[FSOM]

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

Morphology General Habit
Fairly robust perennial producing very slender stolons ending in bulbs
Vegetative Multiplication Stolons
Stolons to c. 5 cm long and 0.5–0.8 mm thick, brown
Morphology General Scales
Scales c. 6–8 mm long, pale brown
Vegetative Multiplication Bulbs
Bulbs 2–2.5 x c. 1 cm in diam., covered by rather thin pale reddish brown scales
Morphology Stem
Stems 10–40 cm long and 1.5–2.5 mm thick, triangular, glabrous
Morphology Leaves
Leaves from the basal 5–10 cm only; leaf-blades 10–20 cm long and 3–8 mm wide, rather thick and fleshy, scabrid at least on margins; leaf-sheaths rather wide, greyish white above, brownish below
Morphology Reproductive morphology Inflorescences
Spikes up to 1.5–2.5 x 2–3 cm, consisting of 4–12 spikelets from an up to 10 mm long axis, the lowermost spikelets sometimes with a minute stalk and with an additional spikelet from its base Inflorescence an open anthela 2–12 cm wide, consisting of 1–4 sessile or almost sessile spikes and 2–8 stalked spikes on 0.5–5 cm long glabrous peduncles; inflorescence-bracts 5–8, leafy, the largest 10–15 cm long and 3–5 mm wide
Morphology Reproductive morphology Inflorescences Spikelets
Spikelets 7–20 x 3–4 mm, pale reddish brown to golden brown, only slightly flattened, 15–30-flowered
Morphology Reproductive morphology Inflorescences Bracts Glume
Glumes 3–4 mm long, pale reddish brown to brown, many-nerved; midrib only slightly excurrent
Morphology Reproductive morphology Flowers Gynoecium Style
Style with 2 very long branches.
Distribution
S2, 3; Kenya
Ecology
Near the sea-shore

Native to:

Kenya, Somalia

Cyperus afrodunensis Lye appears in other Kew resources:

Date Reference Identified As Barcode Type Status
Bogdan, A. [2537], Kenya K000321442 holotype

First published in Nordic J. Bot. 3: 222 (1983)

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.
  • 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

Flora of Somalia

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

Flora of Tropical East Africa

  • Fl. Somalia 4: 122 (1995).
  • Haines & Lye, Sedges & Rushes E. Afr.: 191, fig. 374 (1983)
  • Nordic Journ. Bot. 3: 222 (1983)

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