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This species is accepted, and its native range is Kenya (Shimba Hills).

[FTEA]

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

Type
Type: Kenya, Kwale District: Shimba Hills, Longo Mwagandi, Magogo & Glover 323 (EA, holo.; K, iso., not found)
Morphology General Habit
Perennial, slender, with a 3–5 cm long horizontally creeping rhizome.
Morphology Culms
Culms few, 10–15 cm long, 1–2 mm thick, triquetrous, glabrous or slightly scabrid immediately below the inflorescence
Morphology Leaves
Leaves with sheath straw-coloured, brown or purplish. Leaf blade absent on some culms, when present linear, flat, 10–20 × 0.3–0.5 cm, scabrid on margins and major veins, attenuate
Morphology Reproductive morphology Inflorescences Bracts
Involucral bracts leaf-like, erect to somewhat spreading, 5–10, lowermost 5–13 cm long, 4–6 mm wide
Morphology Reproductive morphology Inflorescences
Inflorescence a simple to sometimes compound anthela, primary branches 7–15, 2–11 cm long.
Morphology Reproductive morphology Inflorescences Spikelets
Spikelets in digitate clusters at the end of primary (and secondary) branches, 2–6 per cluster, linear, 3–9 mm long, 1–1.5 mm wide, rachis straight.
Morphology Reproductive morphology Inflorescences Bracts Glume
Glumes yellowish to reddish-brown, ± 1.5 mm long, keel green, apex shortly mucronate
Morphology Reproductive morphology Flowers Androecium Stamens
Stamens 3
Morphology Reproductive morphology Fruits
Nutlet immature.
Ecology
In swampy area; 380 m
Note
Not seen; based on Haines & Lye, who say intermediate between prolifer and haspangroup, and probably a hybrid.
Distribution
Flora districts: Known only from the type Flora districts: K7

Native to:

Kenya

Cyperus microumbellatus Lye appears in other Kew resources:

First published in Nordic J. Bot. 3: 223 (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 Tropical East Africa

  • Haines & Lye, Sedges & Rushes E. Afr.: 171, fig. 325 (1983).
  • Nordic Journ. Bot. 3, 2: 223 (1983)

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