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This genus is accepted, and its native range is Cosmopolitan.
Rhynchospora Vahl

[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, rhizomatous or with a poorly developed rootsystem
Morphology Culms
Culms rounded to trigonous
Morphology Leaves
Leaves with sheaths closed; ligule 0, or very inconspicuous ( R gracillima)
Morphology Reproductive morphology Inflorescences Bracts
Involucral bracts leaf-like or short
Morphology Reproductive morphology Inflorescences
Inflorescence capitate, simple, corymbose or paniculate, then with clusters of spikelets on peduncles emerging from the axils of the leaves up the culm; clusters of spikelets often corymbose, few to many per cluster
Morphology Reproductive morphology Inflorescences Spikelets
Spikelets sessile or pedicellate.
Morphology Reproductive morphology Inflorescences Bracts Glume
Lower 2–3 glumes empty (sterile) and small, the remainder gradually larger, the uppermost glume often empty Glumes spirally arranged or distichous, imbricate, few or many ( R candida).
Morphology Reproductive morphology Flowers
Flowers either all bisexual, the upper ones not maturing the nutlet, or lower 1–few bisexual and upper ones staminate, or unisexual with the lowest pistillate and upper one(s) staminate
Morphology Reproductive morphology Flowers Perianth
Perianth segments 0–6, bristle-like, upwardly scabrid
Morphology Reproductive morphology Flowers Androecium Stamens
Stamens 2–3.
Morphology Reproductive morphology Flowers Androecium Stamens Filaments
Filaments flattened
Morphology Reproductive morphology Fruits
Nutlets biconvex.
Morphology Reproductive morphology Flowers Gynoecium Style
Style base persistent, with or without pedicel. Style unbranched, slightly bifid or with 2 long branches
Note
250 species, especially in tropical South and Meso-America.

Native to:

Alabama, Alaska, Alberta, Algeria, Amur, Andaman Is., Angola, Argentina Northeast, Argentina Northwest, Argentina South, Arkansas, Assam, Austria, Bahamas, Baltic States, Bangladesh, Belarus, Belgium, Belize, Benin, Bermuda, Bismarck Archipelago, Bolivia, Borneo, Botswana, Brazil North, Brazil Northeast, Brazil South, Brazil Southeast, Brazil West-Central, British Columbia, Burkina, Burundi, California, Cambodia, Cameroon, Cape Provinces, Caroline Is., Cayman Is., Central African Repu, Central American Pac, Central European Rus, Chad, Chile Central, Chile North, China North-Central, China South-Central, China Southeast, Colombia, Colorado, Congo, Connecticut, Costa Rica, Cuba, Czechoslovakia, Delaware, Denmark, District of Columbia, Dominican Republic, East European Russia, East Himalaya, Ecuador, El Salvador, Equatorial Guinea, Ethiopia, Fiji, Finland, Florida, France, French Guiana, Gabon, Galápagos, Gambia, Georgia, Germany, Ghana, Great Britain, Greece, Guatemala, Guinea, Guinea-Bissau, Gulf of Guinea Is., Guyana, Hainan, Haiti, Hawaii, Honduras, Idaho, Illinois, India, Indiana, Iowa, Ireland, Irkutsk, Italy, Ivory Coast, Jamaica, Japan, Jawa, Kamchatka, Kansas, Kazakhstan, Kentucky, Kenya, Korea, Kuril Is., KwaZulu-Natal, Labrador, Laos, Leeward Is., Lesotho, Lesser Sunda Is., Liberia, Louisiana, Madagascar, Maine, Malawi, Malaya, Mali, Maluku, Manchuria, Manitoba, Marianas, Marquesas, Maryland, Massachusetts, Mauritania, Mauritius, Mexico Central, Mexico Gulf, Mexico Northeast, Mexico Northwest, Mexico Southeast, Mexico Southwest, Michigan, Minnesota, Mississippi, Missouri, Morocco, Mozambique, Myanmar, Namibia, Nansei-shoto, Nepal, Netherlands, New Brunswick, New Guinea, New Hampshire, New Jersey, New South Wales, New York, Newfoundland, Nicaragua, Nicobar Is., Niger, Nigeria, North Carolina, North Caucasus, North Dakota, North European Russi, Northern Provinces, Northern Territory, Northwest European R, Northwest Territorie, Norway, Nova Scotia, Ogasawara-shoto, Ohio, Oklahoma, Ontario, Oregon, Panamá, Paraguay, Pennsylvania, Peru, Philippines, Poland, Portugal, Primorye, Prince Edward I., Puerto Rico, Queensland, Québec, Rhode I., Romania, Rwanda, Réunion, Sakhalin, Samoa, Saskatchewan, Senegal, Sierra Leone, Society Is., South Carolina, South Dakota, Spain, Sri Lanka, Sudan, Sulawesi, Sumatera, Suriname, Swaziland, Sweden, Switzerland, Taiwan, Tanzania, Tennessee, Texas, Thailand, Togo, Tonga, Transcaucasus, Trinidad-Tobago, Tubuai Is., Tunisia, Turkey, Turks-Caicos Is., Uganda, Ukraine, Uruguay, Vanuatu, Venezuela, Venezuelan Antilles, Vermont, Victoria, Vietnam, Virginia, Wallis-Futuna Is., Washington, West Siberia, West Virginia, Western Australia, Windward Is., Wisconsin, Yugoslavia, Zambia, Zaïre, Zimbabwe

Extinct in:

Hungary

Rhynchospora Vahl appears in other Kew resources:

Date Reference Identified As Barcode Type Status
Nic Lughadha, E. [H 50771], Brazil 58313.000
Nic Lughadha, E. [H 50771], Brazil 58314.000
Ollerton, J. [151], Guyana 64736.000
s.coll. [Cat. no. 3422], India K001119353
Wallich, N. [Cat. no. 3422], Nepal K001119351
Telfair, C. [Cat. no. 3426], Mauritius K001119358
s.coll. [Cat. no. 3428], Sri Lanka K001119360
s.coll. [Cat. no. 3425], India K001119357
Wallich, N. [Cat. no. 3421], Nepal K001119182
Wallich, N. [Cat. no. 3427], Singapore K001119359
Wallich, N. [Cat. no. 3424], Malaysia K001119355
Wallich, N. [Cat. no. 3422], Myanmar K001119352
s.coll. [Cat. no. 3424] K001119356

First published in Enum. Pl. Obs. 2: 229 (1805)

Accepted by

  • Acevedo-Rodríguez, P. & Strong, M.T. (2005). Monocotyledons and Gymnosperms of Puerto Rico and the Virgin Islands Contributions from the United States National Herbarium 52: 1-415.
  • 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.
  • Strong, M.T. (2006). Taxonomy and distribution of Rhynchospora (Cyperaceae) in the Guianas, South America Contributions from the United States National Herbarium 53: 1-225.

Literature

Flora of West Tropical Africa

  • Enum. 2: 229 (1806) nom. et orth. cons.
  • F.T.A. 8: 478 (1902)
  • Kükenthal in Engl., Bot. Jahrb. 74: 375 (1949), 75: 90 (1950), 75: 273 (1951).

Flora of Tropical East Africa

  • Enum. Pl. 2: 229 (1805)

Colombian resources for Plants made Accessible
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Flora of Tropical East Africa
Flora of Tropical East Africa
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Herbarium Catalogue Specimens
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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/