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This species is accepted, and its native range is Chad to S. Africa, Madagascar, Himalaya to Indo-China.
Kyllingia cyperoides R., watercolour on paper

[FTEA]

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

Type
Type: India; no locality or collector given
Morphology General Habit
Annual herb 12–80 cm tall, yellowish green, with slender rootstock.
Morphology Culms
Culms tufted, 11–80 cm long, 1.3–3.1 mm wide, trigonous, with longitudinal ridges, glabrous
Morphology Leaves
Leaves up to 40 cm long. Leaf sheath greenish-brown, rather loose and thick below, 2.5–6 cm long. Leaf blade linear, flat, 15–40 cm long, 2–6 mm wide, scabrid on margins and primary vein, apex acuminate
Morphology Reproductive morphology Inflorescences Bracts
Involucral bracts leaf-like, spreading, 4–7, lowermost 12–30 cm long, 4.2–6.3 mm wide
Morphology Reproductive morphology Inflorescences
Inflorescence a simple to compound anthela, primary branches 4–8, 2.5–6 cm long.
Morphology Reproductive morphology Inflorescences Spikelets
Spikelets in digitate to globose spikes, sessile and at the end of primary and secondary branches, 20 to many per spike, ovoid, 3.8–5.9 mm long, 1.8–2.2 mm wide, 1–2-flowered, falling off entirely when mature, rachis straight.
Morphology Reproductive morphology Inflorescences Bracts Glume
Glumes yellowish grey, 3.5–4.8 mm long, 1.8–3.2 mm wide, keel green, strongly winged, apex mucronate, slightly recurved
Morphology Reproductive morphology Flowers Androecium Stamens
Stamens 3.
Morphology Reproductive morphology Flowers Androecium Stamens Filaments
Filaments 2.2–3.2 mm long
Morphology Reproductive morphology Fruits
Nutlet reddish-brown, oblong-lanceolate, trigonous, 2.7–4 mm long, 0.4–0.7 mm wide, minutely papillose.
Ecology
Dense riverine vegetation, marshes and boggy grassland, seasonal ponds on black cotton soil, rice fields and wet depressions in cultivations; 70–1850 m
Conservation
Least Concern (LC) due to its wide distribution and common habitat.
Note
Vorster has annotated several Kenya specimens previously determined as C. cyperoides as C. assimilis. Both C.B. Clarke and Haines & Lye have thrown doubt on whether or not they should be treated as specifically distinct. None of the references to a var. africanus made by C.B. Clarke includes a description so do not validate the name which must date from Kükenthal, who put (C.B. Clarke) Kük. as if it were a new combination – which it is not. This species is a close relative to C. assimilis (Steud.) Maquet, but has more globose spikes which have more spikelets, and only 1 or 2 flowering glumes per spikelet.
Distribution
Flora districts: K1 K3 T1 T4 T5 T6 T7 T8 Range: Chad, Zambia, Malawi, Zimbabwe, Botswana, Namibia, Swaziland, South Africa; Madagascar, India

Native to:

Assam, Bangladesh, Botswana, Chad, China South-Central, East Himalaya, India, Kenya, KwaZulu-Natal, Laos, Madagascar, Malawi, Mozambique, Myanmar, Namibia, Nepal, Northern Provinces, Swaziland, Tanzania, Thailand, Tibet, Vietnam, West Himalaya, Zambia, Zimbabwe

Cyperus pseudokyllingioides Kük. appears in other Kew resources:

Date Reference Identified As Barcode Type Status
Feb 19, 2010 Silva, F.de [3537], Bangladesh Courtoisina cyperoides K000592586 Unknown type material
Feb 19, 2010 Wight, R. [s.n.] Courtoisina cyperoides K000881665
Feb 19, 2010 s.coll. [645], Karnataka Courtoisina cyperoides K000881664
Feb 19, 2010 s.coll. [645], Karnataka Courtoisina cyperoides K000881666
Hildebrandt, J.M. [3795], Madagascar Courtoisina cyperoides K000416375 syntype
Bidgood, S. [5874], Tanzania Courtoisina cyperoides K000468551
Chantaranothai, P. [1606], Thailand Courtoisina cyperoides K000595262
Chantaranothai, P. [1606], Thailand Courtoisina cyperoides K000595263
s.coll. [177], India Courtoisina cyperoides K000592587
Wight, R. [1856] Courtoisina cyperoides K000881671 Unknown type material
Wight, R. [1856] Courtoisina cyperoides K000881668 Unknown type material
Clarke, C.B. [34190], Jharkhand Courtoisina cyperoides K000881670
s.coll. [177], Indian Subcontinent Courtoisina cyperoides K000881669
Simpson, D. [1750], Thailand Courtoisina cyperoides K000595264
Whyte, A. [s.n.], Malawi Courtoisina cyperoides K000416374 syntype
Griffith, W. [s.n.], Indian Subcontinent Courtoisina cyperoides K000881672
Bidgood, S. [6196], Tanzania Courtoisia cyperoides K000468229

First published in H.G.A.Engler (ed.), Pflanzenr., IV, 20(101): 14 (1935)

Accepted by

  • Larridon, I., Reynders, M., Huygh, W., Bauters, K., Vrijdaghs, A., Leroux, O., Muasya, A.M., Simpson, D.A. & Goetghebeur, P. (2011). Taxonomic changes in C3 Cyperus (Cyperaceae) supported by molecular phylogenetic data, morphology, embryology, ontogeny and anatomy Plant ecology and evolution 144: 327-356.

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 Courtoisina cyperoides.]
  • Govaerts, R. (1999). World Checklist of Seed Plants 3(1, 2a & 2b): 1-1532. MIM, Deurne. [Cited as Courtoisina cyperoides.]
  • Wu, Z. & Raven, P.H. (eds.) (2010). Flora of China 23: 1-515. Missouri Botanical Garden Press, St. Louis. [Cited as Courtoisina cyperoides.]

Literature

Kew Backbone Distributions

  • Browning, J. & al. (2020). Flora Zambesiaca 14: 1-455. Royal Botanic Gardens, Kew.
  • Hoenselaar, K., Verdcourt, B. & Beentje, H. (2010). Cyperaceae Flora of Tropical East Africa: 1-466.
  • Kumar, S. (2012). Herbaceous flora of Jaunsar-Bawar (Uttarkhand), India: enumerations Phytotaxonomy 12: 33-56.
  • Mostaph, M.K. & Uddin, S.B. (2013). Dictionary of plant names of Bangladesh, Vasc. Pl.: 1-434. Janokalyan Prokashani, Chittagong, Bangladesh.
  • Wu, Z. & Raven, P.H. (eds.) (2010). Flora of China 23: 1-515. Missouri Botanical Garden Press, St. Louis.

Art and Illustrations in Digifolia
Digital Image © Board of Trustees, RBG Kew

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

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/