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This species is accepted, and its native range is Africa to Syria.
Pycreus nitidus (Lam.) J. Raynal

[FTEA]

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

Type
Type: India, no further indication, Herb. Lamarck (P-LA, holo.)
Morphology General Habit
Robust perennial, with long stolons, the base of the plants massive, bearing scales and (old) leafbases.
Morphology Culms
Culms 24–71 cm long, 1.3–2.9 mm wide, trigonous to triquetrous (sometimes almost rounded), soft, smooth
Morphology Leaves
Leaf blade linear, flattish plicate, 18–70 cm long, 2.5–8.6 mm wide, acute to acuminate, apex glabrous to minutely scabrid Leaf sheath pale yellowish-brown, brown to almost black, 2.5–14 cm long.
Morphology Reproductive morphology Inflorescences Bracts
Involucral bracts 3–7. Leaf-like, spreading, 6–30 cm long, 3–8 mm wide
Morphology Reproductive morphology Inflorescences
Inflorescence simple.
Morphology Reproductive morphology Inflorescences Spikelets
Spikelets 5–30 per cluster, ovoid(-oblong), 8–16 mm long, 3–4.3 mm wide, axis straight to sometimes slightly curved. Spikelets in ovoid, digitate clusters, sessile or at the end of primary branches, primary branches 4–9, (0–)2.5–10 cm long, at the base with a conspicuous tubular red-brown prophyll.
Morphology Reproductive morphology Inflorescences Bracts Glume
Glumes imbricate, yellow-brown, brown to deep brown, ovate, 2.5–4 mm long, 1–2.4 mm wide, keel pale yellowish-green, acute, 2–3-veined, apex obtuse to acute
Morphology Reproductive morphology Flowers Androecium Stamens
Stamens 3.
Morphology Reproductive morphology Flowers Androecium Stamens Filaments
Filaments 2.1–3.2 mm long.
Morphology Reproductive morphology Flowers Androecium Stamens Anthers
Anthers 1.2–2.4 mm long
Morphology Reproductive morphology Flowers Gynoecium Style
Style 2-branched
Morphology Reproductive morphology Fruits
Nutlets red-brown to black, obovoid, sometimes almost obtriangular, biconvex, 0.8–1.1 mm long, 0.5–0.9 mm wide, smooth to minutely papillose-punctuate to slightly wrinkled
Figures
Fig. 45, p306
Ecology
Swamps, burned areas, forming large stands; (80–120)1000–2150 m
Conservation
Least concern (LC) due to its wide distribution.
Note
This species is easily recognized by its wide leaf blade and wide involucral bracts; the red, tubular prophylls at the base of the primary branches of the inflorescence are also distinct.
Distribution
Flora districts: U2 U3 U4 K3 K4 K5T1 T2 T4 T6 T7 Range: Widespread in northeast and southeast tropical Africa, South Africa; Madagascar, India

[FWTA]

Cyperaceae, Miss S. S. Hooper. Flora of West Tropical Africa 3:2. 1972

Morphology General Habit
Robust plant with culms up to about 60 cm.
Morphology Reproductive morphology Inflorescences
A yellow to dark red-brown inflorescence
Ecology
In or near permanent water.

Native to:

Angola, Benin, Botswana, Burundi, Cameroon, Cape Provinces, Chad, Ethiopia, Free State, Gambia, Ghana, Ivory Coast, Kenya, KwaZulu-Natal, Lebanon-Syria, Madagascar, Malawi, Mozambique, Namibia, Niger, Nigeria, Northern Provinces, Palestine, Rwanda, Senegal, Sudan, Swaziland, Tanzania, Uganda, Zambia, Zaïre, Zimbabwe

English
Tiger sedge

Cyperus nitidus Lam. appears in other Kew resources:

Date Reference Identified As Barcode Type Status
Aug 19, 2010 Griffith, W. [s.n.] Pycreus nitidus K000592573 Unknown type material
May 1, 2005 Speke [605], Tanzania Pycreus nitidus K000363003
Apr 1, 1977 Meyers, F.S. [3425], Israel Pycreus nitidus K000881649 isosyntype
Bidgood, S. [5230], Tanzania Pycreus nitidus K000190458
Eig, A. [s.n.], Palestine Pycreus nitidus K000881648 isotype

First published in Tabl. Encycl. 1: 145 (1791)

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 Pycreus nitidus.]
  • Govaerts, R. (1999). World Checklist of Seed Plants 3(1, 2a & 2b): 1-1532. MIM, Deurne. [Cited as Pycreus nitidus.]
  • Hoenselaar, K., Verdcourt, B. & Beentje, H. (2010). Cyperaceae Flora of Tropical East Africa: 1-466. [Cited as Pycreus nitidus.]

Literature

Kew Backbone Distributions

  • Akoègninou, A., van der Burg, W.J. & van der Maesen, L.J.G. (eds.) (2006). Flore Analytique du Bénin: 1-1034. Backhuys Publishers.
  • Figueiredo, E. & Smith, G.F. (2008). Plants of Angola Strelitzia 22: 1-279. National Botanical Institute, Pretoria.
  • Prasad, V.P. & Simpson, D.A. (2011). Status of Juncellus stylosus (Cyperaceae) in Indian flora Rheedea 21: 157-159.

Flora of Tropical East Africa
Flora of Tropical East Africa
http://creativecommons.org/licenses/by-nc-sa/3.0

Flora of West Tropical Africa
Flora of West Tropical 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

Plants and People Africa
Common Names from Plants and People Africa http://www.plantsandpeopleafrica.com/
© Plants and People Africa http://www.plantsandpeopleafrica.com http://creativecommons.org/licenses/by/3.0/