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This species is accepted, and its native range is Eritrea to Kenya, Socotra.
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

Type
N1, without precise locality, Lort Phillips s.n. (K holo.)
Morphology General Habit
Slender tufted perennial with swollen stem-bases often covered by the fibrous remains of old leaf-sheaths
Morphology Stem
Stems usually 5–20 cm long and 0.3–0.7 mm thick, triangular, glabrous
Morphology Leaves
Leaves to 10 cm long and 0.5–2 mm wide, flat, scabrid on margin and midrib
Morphology Reproductive morphology Inflorescences
Inflorescence a small whitish head, 4–6 mm in diam., consisting of 1 central oval to rounded spike and 1–3 smaller lateral spikes; involucral bracts usually 3, spreading to reflexed, the largest 2–6 cm long, similar to the leaves
Morphology Reproductive morphology Inflorescences Spikelets
Spikelets 1–1.3 mm long, ovate, 1-flowered
Morphology Reproductive morphology Inflorescences Bracts Glume
Glumes 0.8–1 mm long, whitish with 1–2 lateral nerves on each side of the glabrous midrib that ends in the acute apex
Morphology Reproductive morphology Flowers Gynoecium Style
Unbranched part of style 0.1–0.2 mm long with 2 0.2–0.4 mm long stigmas
Morphology Reproductive morphology Fruits
Nutlet c. 0.6 x 0.3 mm, elliptic, compressed, brown, minutely papillose.
Distribution
N1; S1; Kenya
Ecology
Altitude range 200–400 m.

[FTEA]

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

Type
Type: Somalia, Lort-Phillips s.n. (K, holo., out on loan)
Morphology General Habit
Perennial tufted sedge (once described as annual by Napper).
Morphology Culms
Culms 4.5–18 cm long, 0.3–0.5 mm wide, triangular, glabrous, with a thickened base often covered in dark brown leaf sheath fibres
Morphology Leaves
Leaf blade linear, slightly channelled, 2–10 cm long, 1–1.8 mm wide, scabrid on margins and midrib Leaf sheath pale brown, 0.5–1.5 cm long. Leaves up to 10 cm long.
Morphology Reproductive morphology Inflorescences Bracts
Involucral bracts leaf-like, spreading, 2–3, lowermost 2–6 cm long
Morphology Reproductive morphology Inflorescences
Inflorescence capitate, usually consisting of 3 globose or ovoid spikes, the central one 3–4 mm long, 2.5–3 mm wide.
Morphology Reproductive morphology Inflorescences Spikelets
Spikelets ovoid, 1–1.3 mm long, 0.6 mm wide, 1-flowered.
Morphology Reproductive morphology Inflorescences Bracts Glume
Glumes cream or whitish, ovate, ± 0.8 mm long, keel scabridulous with short spine-like teeth, apex apiculate
Morphology Reproductive morphology Flowers Androecium Stamens
Stamens ?3 (protologue says 2–1).
Morphology Reproductive morphology Flowers Androecium Stamens Filaments
Filaments 0.7–0.8 mm long.
Morphology Reproductive morphology Flowers Androecium Stamens Anthers
Anthers not seen
Morphology Reproductive morphology Flowers Gynoecium Style
Style very short, 0.1–0.2 mm long with very short branches
Morphology Reproductive morphology Fruits
Nutlet pale brown, ellipsoid, flattened, 0.9 mm long, 0.4–0.6 mm wide, minutely papillose.
Ecology
Seasonally wet shallow soil over rock, also in bushland or scattered tree grassland; 300–1000 m
Conservation
?Least concern (LC)
Note
Similar, say Haines & Lye, to K. tenuifolia and microbulbosa, but differs in smaller spikelets and glumes; and the inflorescence usually has 3 spikes.
Distribution
Range: Ethiopia, Somalia Flora districts: K1 K4 K6 K7

Native to:

Eritrea, Ethiopia, Kenya, Socotra, Somalia

Cyperus microstylus (C.B.Clarke) Mattf. & Kük. appears in other Kew resources:

Date Reference Identified As Barcode Type Status
Jan 10, 1910 Lort Phillips [322], Somalia Kyllinga microstyla K000416281

First published in H.G.A.Engler (ed.), Pflanzenr., IV, 20(101): 578 (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 microstyla.]
  • Govaerts, R. (1999). World Checklist of Seed Plants 3(1, 2a & 2b): 1-1532. MIM, Deurne. [Cited as Kyllinga microstyla.]
  • Hoenselaar, K., Verdcourt, B. & Beentje, H. (2010). Cyperaceae Flora of Tropical East Africa: 1-466. [Cited as Kyllinga microstyla.]
  • Miller, A.G. & Morris, M. (2004). Ethnoflora of Soqotra Archipelago: 1-759. The Royal Botanic Garden, Edinburgh. [Cited as Kyllinga microstyla.]

Literature

Kew Backbone Distributions

  • Edwards, S., Demissew, S., & Hedberg, I. (eds.) (1997). Flora of Ethiopia and Eritrea 6: i-xxviii, 1-586. The National Herbarium, Addis Ababa University, Ethiopia & The Department of Systematic Botany, Upps.
  • Miller, A.G. & Morris, M. (2004). Ethnoflora of Soqotra Archipelago: 1-759. The Royal Botanic Garden, Edinburgh.

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