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This subspecies is accepted, and its native range is Tropical & Subtropical Old World to Russian Far East.
Cyperus michelianus subsp. pygmaeus

[FTEA]

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

Type
Type: India, König s.n. (C, holo.)
Ecology
In seasonally wet habitats, in damp sandy places near pools and in mud; 30–1200 m
Conservation
Least concern (LC) due to its wide distribution and common habitat
Distribution
Flora districts: K1 K4 K7 T3 T6 T7 T8 Range: Ghana, Nigeria, Sudan, Ethiopia, Somalia, Namibia; Mediterranean, S and E Asia, Australia

[FSOM]

M. Thulin et al. Flora of Somalia, Vol. 1-4 [updated 2008] https://plants.jstor.org/collection/FLOS

Morphology General Habit
Tussocky annual with crowded stems
Morphology Stem
Stems 1–15 cm long and 0.5–1.5 mm thick (but wider across the sheaths), triangular, glabrous
Morphology Leaves
Leaf-blades 1–6 cm long and 1–2 mm wide, flat, but as dry often folded and twisted, scabrid on margin and midrib at least near the apex; sheaths reddish to purple
Morphology Reproductive morphology Inflorescences
Inflorescence a congested anthela of irregular outline and surrounded by 4–6(–8) long leafy spreading bracts; major involucral bract 3–12 cm long and 1.5–2.5 mm wide; anthela 0.5–1.2 cm in diam., consisting of several crowded hardly discernable spikes, each with many crowded spikelets
Morphology Reproductive morphology Inflorescences Spikelets
Spikelets 2.5–4 x 1–1.5 mm, green, oblong-lanceolate, 8–15-flowered
Morphology Reproductive morphology Inflorescences Bracts Glume
Glumes 1.3–1.6 mm long, ovate-lanceolate, 3–7-nerved, uncoloured below, light reddish brown with a thick green midrib above
Morphology Reproductive morphology Flowers Androecium Stamens
Stamens 1–2
Morphology Reproductive morphology Flowers Gynoecium Style
Style 2-branched
Morphology Reproductive morphology Fruits
Nutlet 1–1.2 x 0.3–0.4 mm, oblong, lenticular with one flat and one rounded side, yellow to apricot, minutely papillose.
Distribution
N3; S2 widespread in the tropics and subtropics of the Old World.
Ecology
Near sea-level to c. 200 m.

Native to:

Afghanistan, Algeria, Amur, Assam, Cambodia, Chad, China South-Central, China Southeast, Egypt, Ethiopia, Ghana, Greece, Hainan, India, Iraq, Japan, Jawa, Kenya, Korea, Laos, Lebanon-Syria, Madagascar, Mali, Mauritania, Mauritius, Morocco, Mozambique, Myanmar, Namibia, New Guinea, New South Wales, Niger, Nigeria, Northern Territory, Pakistan, Palestine, Philippines, Queensland, Réunion, Saudi Arabia, Senegal, Somalia, South Australia, Sri Lanka, Sudan, Sulawesi, Taiwan, Tanzania, Thailand, Transcaucasus, Turkey, Uganda, Victoria, Vietnam, West Himalaya, Western Australia, Zambia, Zimbabwe

Introduced into:

Canary Is.

Cyperus michelianus subsp. pygmaeus (Rottb.) Asch. & Graebn. appears in other Kew resources:

Date Reference Identified As Barcode Type Status
Jan 1, 1967 Smitinand, T. [5747], Thailand K000467591
Marcan, A. [1717], Thailand K000467587
Kerr, A.F.G. [21382], Thailand K000467589
Kerr, A.F.G. [6764], Thailand K000467592
Kerr, A.F.G. [1860], Thailand K000467588
Guest, E.R. [3499], Iraq K000315888
s.coll. [s.n.] K000309396 isotype
Kerr, A.F.G. [4299], Thailand K000467586
Kerr, A.F.G. [21382], Thailand K000467590

First published in Syn. Mitteleur. Fl. 2(2): 273 (1904)

Accepted by

  • Barry, J. P. & Celles, J.S. (1991). Flore de Mauritanie 2: 360-550. Centre Regional de Documentation Pedagogique, Nice.
  • Boudet, G., Lebrun, J.P. & Demange, R. (1986). Catalogue des plantes vasculaires du Mali: 1-465. Etudes d'Elevage et de Médecine Vétérinaire des Pays Tropicaux.
  • Boulos, L. (2005). Flora of Egypt 4: 1-617. Al Hadara Publishing, Cairo.
  • Browning, J. & al. (2020). Flora Zambesiaca 14: 1-455. Royal Botanic Gardens, Kew.
  • Brundu, G. & Camarda, I. (2013). The Flora of Chad: a checklist and brief analysis PhytoKeys 23: 1-18.
  • 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.
  • Dobignard, D. & Chatelain, C. (2010). Index synonymique de la flore d'Afrique du nord 1: 1-455. Éditions des conservatoire et jardin botaniques, Genève.
  • 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.

Not accepted by

  • Wu, Z. & Raven, P.H. (eds.) (2010). Flora of China 23: 1-515. Missouri Botanical Garden Press, St. Louis. [Cited as Cyperus pygmaeus.]

Literature

Kew Backbone Distributions

  • Berhaut, J. (1988). Flore illustrée du Sénégal 9: 1-522. Gouvernement du Sénégal, Ministère du développement rural direction des eaux et forêta, Dakar.
  • Boudet, G., Lebrun, J.P. & Demange, R. (1986). Catalogue des plantes vasculaires du Mali: 1-465. Etudes d'Elevage et de Médecine Vétérinaire des Pays Tropicaux.
  • Browning, J. & al. (2020). Flora Zambesiaca 14: 1-455. Royal Botanic Gardens, Kew.
  • Brundu, G. & Camarda, I. (2013). The Flora of Chad: a checklist and brief analysis PhytoKeys 23: 1-18.
  • Chou, S., Chhnang, P. & Kim, Y. (2016). A Checklist for the Seed Plants of Cambodia: 1-272. National Institute of Biological Resources, Korea.
  • Dobignard, D. & Chatelain, C. (2010). Index synonymique de la flore d'Afrique du nord 1: 1-455. Éditions des conservatoire et jardin botaniques, Genève.
  • Hoenselaar, K., Verdcourt, B. & Beentje, H. (2010). Cyperaceae Flora of Tropical East Africa: 1-466.
  • Sarmah, K.K. & Borthakur, S.K. (2009). A checklist of angiospermic plants of Manas national park in Assam, India Pleione 3: 190-200.
  • Verloove, F. (2012). Notes on some Cyperaceae from Gran Canaria (Canary islands, Spain) Webbia; Raccolta de Scritti Botanici 67: 93-99.
  • Wu, Z. & Raven, P.H. (eds.) (2010). Flora of China 23: 1-515. Missouri Botanical Garden Press, St. Louis.

Flora of Tropical East Africa

  • E.P. 4, 20 (101): 312 (1936)
  • Fl. Somalia 4: 130 (1995).
  • Haines & Lye, Sedges & Rushes E. Afr.: 262, figs. 532, 533 (1983)
  • Syn. Mitteleur. Fl. 2(2): 273 (1904)

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

Kew Science Photographs
Digital Image © Board of Trustees, RBG Kew http://creativecommons.org/licenses/by/3.0/