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This genus is accepted, and its native range is Tropics & Subtropics.
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

Morphology General Habit
Annuals or perennials
Morphology Culms
Culm scapose
Morphology Leaves
Leaves without ligule
Morphology Reproductive morphology Inflorescences Bracts
Involucral bracts leaflike, sheathing
Morphology Reproductive morphology Inflorescences
Inflorescence a sessile to shortly stalked cluster of spikelets
Morphology Reproductive morphology Inflorescences Spikelets
Spikelets unisexual, the laterals usually male, the terminal female, female spikelet often apparently 1-flowered.
Morphology Reproductive morphology Inflorescences Bracts Glume
Glumes 2 below the female flower
Morphology Reproductive morphology Flowers
Male flowers with a few distichous glumes and 1 stamen
Morphology Reproductive morphology Fruits
Nutlet ribbed, shortly beaked.
Note
Seven species widely distributed in the Old World, plus one species in South America. This genus is closely related to Scleria.

Native to:

Andaman Is., Assam, Bangladesh, Benin, Bismarck Archipelago, Bolivia, Borneo, Brazil North, Brazil West-Central, Burkina, Cambodia, Caroline Is., Central African Repu, Chad, China Southeast, Colombia, Congo, Costa Rica, Cuba, East Himalaya, Ecuador, French Guiana, Gabon, Ghana, Guinea, Guinea-Bissau, Guyana, Hainan, Honduras, India, Ivory Coast, Jamaica, Japan, Jawa, Korea, Laos, Lesser Sunda Is., Liberia, Madagascar, Malaya, Mali, Maluku, Marianas, Myanmar, Nansei-shoto, New Guinea, Nicaragua, Nigeria, Northern Territory, Panamá, Peru, Philippines, Queensland, Senegal, Sierra Leone, Sri Lanka, Sudan, Sulawesi, Sumatera, Suriname, Taiwan, Tanzania, Thailand, Togo, Trinidad-Tobago, Uganda, Venezuela, Vietnam, Western Australia, Windward Is., Zambia

Diplacrum R.Br. appears in other Kew resources:

First published in Prodr. Fl. Nov. Holland.: 241 (1810)

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. (2004). World Checklist of Monocotyledons Database in ACCESS: 1-54382. The Board of Trustees of the Royal Botanic Gardens, Kew.

Literature

Flora of West Tropical Africa

  • F.T.A. 8: 510 (1902).
  • Prodr. 240 (1810)

Flora of Tropical East Africa

  • Prodr.: 240 (1810)

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