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This species is accepted, and its native range is Eritrea to Tanzania, Arabian Peninsula.
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: Ethiopia, Gondar, Shoata, Schimper 1377 (P, holo.; BR, K, M, P, WAG, iso.)
Morphology General Habit
Perennial, up to 21 cm tall, with creeping rhizome, base of culm swollen.
Morphology Culms
Culms tufted, 3–20 cm long, trigonous, glabrous
Morphology Leaves
Leaves up to 10 or 20 cm long; older leaf sheath fibrous and covering the culm-base. Leaf blade (protologue: 5–10 cm long, as long as culms) 1–4 mm wide
Morphology Reproductive morphology Inflorescences Bracts
Involucral bracts leaf-like, mostly reflexed, 3–4
Morphology Reproductive morphology Inflorescences
Inflorescence capitate, of one terminal cylindrical spike and 1–4 lateral spikes.
Morphology Reproductive morphology Inflorescences Spikelets
Spikelets 2–3 mm long, 1–3-flowered.
Morphology Reproductive morphology Inflorescences Bracts Glume
Glumes dark purple or brownish black, keel green, glabrous, excurrent
Morphology Reproductive morphology Flowers Androecium Stamens
Stamens 3
Morphology Reproductive morphology Fruits
Nutlet brownish, minutely papillose.
Note
I am unable to decide on the status, as I have not seen any specimens. Haines & Lye state this occurs on Mt Moroto in Uganda, and is more widespread in Kenya and Tanzania. They do not cite any specimens from any of these countries, except Haines 4261 from Kenya, Eldoret (not seen by me). Haines and Lye say chlorotropis is very close to teneristolon (= pulchella) but differs in lacking stolons & being tufted.

Native to:

Eritrea, Ethiopia, Kenya, Saudi Arabia, Sudan, Tanzania, Uganda, Yemen

Cyperus chlorotropis (Steud.) Mattf. & Kük. appears in other Kew resources:

Date Reference Identified As Barcode Type Status
Mar 1, 1887 Schimper [1377], Ethiopia Kyllinga chlorotropis K000416280
Mar 1, 1887 Schimper [1303], Ethiopia Kyllinga chlorotropis K000416279

First published in H.G.A.Engler (ed.), Pflanzenr., IV, 20(101): 576 (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 chlorotropis.]
  • Govaerts, R. (1999). World Checklist of Seed Plants 3(1, 2a & 2b): 1-1532. MIM, Deurne. [Cited as Kyllinga chlorotropis.]

Literature

Kew Backbone Distributions

  • Darbyshire, I., Kordofani, M., Farag, I., Candiga, R. & Pickering, H. (eds.) (2015). The Plants of Sudan and South Sudan: 1-400. Kew publishing, Royal Botanic Gardens, Kew.
  • 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.

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