Xyris Gronov. ex L.

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

[FTEA]

Xyridaceae, J. M. Lock, M.A., Ph.D.. Flora of Tropical East Africa. 1999

Morphology General Habit
Annual or perennial herbs, often forming clumps; rhizomes, when present, short, horizontal or ascending
Morphology Leaves
Leaves virtually all basal; ligule present or not
Morphology Reproductive morphology Inflorescences
Inflorescence a condensed bracteate spike at the end of elongated peduncles which are often variously grooved or ridged; lower bracts of the spike sterile, occasionally elongated or reflexed
Morphology Reproductive morphology Flowers
Flowers borne singly in the axils of the fertile bracts, short-lived; calyx of 3 unequal segments, the adaxial hooded and enclosing the flower-bud, the laterals asymmetric and often keeled, free from one another (sometimes fused basally in American species); corolla yellow (blue in at least one West African species)
Morphology Reproductive morphology Flowers Androecium Stamens
Stamens alternating with 3 usually bifurcate staminodes divided apically into many moniliform hairs
Morphology Reproductive morphology Flowers Gynoecium Ovary
Ovary with parietal placentation (in East Africa)
Morphology Reproductive morphology Fruits
Fruit a loculicidal capsule.

Native to:

Alabama, Andaman Is., Angola, Argentina Northeast, Arkansas, Assam, Bangladesh, Belize, Benin, Bolivia, Borneo, Botswana, Brazil North, Brazil Northeast, Brazil South, Brazil Southeast, Brazil West-Central, Burkina, Burundi, Cambodia, Cameroon, Cape Provinces, Caroline Is., Central African Repu, Chad, China South-Central, China Southeast, Colombia, Congo, Connecticut, Costa Rica, Cuba, Delaware, District of Columbia, Dominican Republic, East Himalaya, Ecuador, Equatorial Guinea, Ethiopia, Florida, Free State, French Guiana, Gabon, Georgia, Ghana, Guatemala, Guinea, Guinea-Bissau, Gulf of Guinea Is., Guyana, Hainan, Honduras, Illinois, India, Indiana, Iowa, Ivory Coast, Jamaica, Jawa, Kentucky, Kenya, KwaZulu-Natal, Laos, Lesotho, Liberia, Louisiana, Madagascar, Maine, Malawi, Malaya, Mali, Maluku, Maryland, Massachusetts, Mauritania, Mauritius, Mexico Gulf, Mexico Northeast, Mexico Southeast, Mexico Southwest, Michigan, Minnesota, Mississippi, Missouri, Mozambique, Myanmar, Namibia, Nepal, New Brunswick, New Caledonia, New Guinea, New Hampshire, New Jersey, New South Wales, New York, Newfoundland, Nicaragua, Niger, Nigeria, North Carolina, Northern Provinces, Northern Territory, Nova Scotia, Ohio, Oklahoma, Ontario, Panamá, Paraguay, Pennsylvania, Peru, Philippines, Puerto Rico, Queensland, Québec, Rhode I., Rwanda, Senegal, Sierra Leone, South Australia, South Carolina, Sri Lanka, Sudan, Sulawesi, Sumatera, Suriname, Swaziland, Taiwan, Tanzania, Tasmania, Tennessee, Texas, Thailand, Togo, Trinidad-Tobago, Uganda, Uruguay, Venezuela, Vermont, Victoria, Vietnam, Virginia, West Virginia, Western Australia, Windward Is., Wisconsin, Zambia, Zaïre, Zimbabwe

Introduced into:

Hawaii

Xyris Gronov. ex L. appears in other Kew resources:

Date Reference Identified As Barcode Type Status Has image?
Jan 30, 2013 Stannard, B. [CFCR6168], Brazil K000837662 Yes
Jan 30, 2013 Heringer, E.P. [17585], Brazil K000837671 Yes
May 1, 1998 Harley, R.M. [H51227], Brazil K000837744 Yes
Apr 22, 1998 Stannard, B. [52795], Brazil K000837740 Yes
Curtis, W.M., Australia 30717.000 No
Talbot de Malahide, Australia 31831.000 No
Curtis, W.M., Australia 7296.000 No
Harley, R.M. [54208], Brazil K000837739 Yes
Harley, R.M. [16965 A], Brazil K000837762 Yes
Forzza, R.C. [4623], Brazil K000837637 Yes
Harley, R.M. [54191], Brazil K000837773 Yes
Harley, R.M. [54217], Brazil K000837742 Yes
Sanaiotti, T.M. [294], Brazil K000837600 Yes
Harley, R.M. [24199], Brazil K000837761 Yes
Harley, R.M. [54191], Brazil K000837743 Yes
Hatschbach, G.G. [52121], Brazil K000837670 Yes
Souza, V.C. [CFCR 13926], Brazil K000837741 Yes
Roque, N. [382], Brazil K000837738 Yes

First published in Sp. Pl.: 42 (1753)

Accepted by

  • Govaerts, R. (2004). World Checklist of Monocotyledons Database in ACCESS: 1-54382. The Board of Trustees of the Royal Botanic Gardens, Kew.
  • Phonsena, P., Chantaranothai, P. & Meesawat, A. (2013). Revision of Xyris L. (Xyridaceae) in Thailand Thai Forest Bulletin (Botany) 41: 102-139.

Literature

Flora of West Tropical Africa

  • F.T.A. 8: 7.
  • Sp. Pl. 42 (1753)

Flora of Tropical East Africa

  • L., Gen. Pl., ed. 5: 25 (1754)
  • Malme in E.J. 48: 287–308 (1912)
  • N.E. Br. in F.T.A. 8: 6–25 (1901)
  • Sp. Pl.: 42 (1753)

  • 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

  • Herbarium Catalogue Specimens

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

  • Interactive Key to Seed Plants of Malesia and Indo-China

    The Malesian Key Group (2010) Interactive Key to Seed Plants of Malesia and Indo-China (Version 2.0, 28 Jul 2010) The Nationaal Herbarium Nederland Leiden and The Royal Botanic Gardens Kew

  • Kew Backbone Distributions

    The International Plant Names Index and World Checklist of Selected Plant Families 2022. 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 2022. 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

    Copyright applied to individual images

  • 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/