- Family: Pontederiaceae Kunth
Pontederia L.
[FTEA]
Pontederiaceae, B. Verdcourt. Flora of Tropical East Africa. 1968
- Morphology General Habit
- Floating or creeping aquatic herbs, rooting at the nodes
- Morphology Leaves
- Leaves often of two sorts, the floating or erect ones broad, lanceolate, ovate or orbicular, the submerged ones linear; petioles long, sheathing at the base or sheath produced at apex to form a “stipule”
- Morphology Reproductive morphology Flowers
- Flowers solitary or in spikes or panicles arising from a convolute sheath-like spathe or bract, or fasciculate within the leaf-sheath
- Morphology Reproductive morphology Flowers Perianth
- Perianth funnel-shaped, slightly irregularly divided into 6 lobes, the inner broader than the outer
- Morphology Reproductive morphology Flowers Androecium Stamens
- Stamens 6, the 3 upper included, the 3 lower ± exserted, usually with longer filaments
- Morphology Reproductive morphology Flowers Gynoecium Pistil
- Ovary 3-locular; ovules numerous; style filiform; stigma entire or very shortly 3–6-lobed
- Morphology Reproductive morphology Fruits
- Capsule membranous, 3-locular, enclosed in the faded perianth, ovoid to linear-fusiform
- Morphology Reproductive morphology Seeds
- Seeds numerous, oblong or ellipsoidal, finely ribbed.
[FTEA]
Pontederiaceae, B. Verdcourt. Flora of Tropical East Africa. 1968
- Morphology General Habit
- Erect glabrous usually perennial aquatic herbs, sometimes with stems arising from a stout creeping rhizome
- Morphology Leaves
- Leaves all radical with long petioles; flowering stems radical, each bearing one apical sheathing leaf, its petiole appearing as a prolongation of the stem
- Morphology Reproductive morphology Flowers
- Flowers medium-sized, blue, pedicellate, arranged in racemes (sometimes subumbelliform); the inflorescence is at first enclosed in a membranous spathe at the base of the peduncle, contained in the sheath of the apical leaf
- Morphology Reproductive morphology Flowers Perianth
- Perianth-lobes 6, free almost to the extreme base, the inner 3 broader, at first spreading, later twisted
- Morphology Reproductive morphology Flowers Androecium Stamens
- Stamens 6, fixed on the base of the perianth, equal or usually unequal, 5 with smaller yellow anthers, the sixth with a longer filament bearing an erect lateral tooth and having a longer blue anther
- Morphology Reproductive morphology Flowers Gynoecium Ovary
- Ovary 3-locular; ovules numerous
- Morphology Reproductive morphology Flowers Gynoecium Pistil
- Style filiform; stigma subentire or very shortly 3–6-fid
- Morphology Reproductive morphology Fruits
- Capsule loculicidally splitting into 3 valves
- Morphology Reproductive morphology Seeds
- Seeds oblong, longitudinally ribbed.
Native to:
Afghanistan, Alabama, Andaman Is., Angola, Argentina Northeast, Argentina Northwest, Arkansas, Assam, Bangladesh, Belize, Benin, Bolivia, Borneo, Botswana, Brazil North, Brazil Northeast, Brazil South, Brazil Southeast, Brazil West-Central, Burkina, Cambodia, Caprivi Strip, Central African Repu, Chad, Chile Central, China North-Central, China South-Central, China Southeast, Colombia, Congo, Connecticut, Costa Rica, Cuba, Delaware, District of Columbia, Dominican Republic, East Himalaya, Ecuador, Egypt, El Salvador, Florida, French Guiana, Gabon, Gambia, Georgia, Ghana, Guatemala, Guinea, Guinea-Bissau, Guyana, Hainan, Honduras, Illinois, India, Indiana, Inner Mongolia, Iowa, Ivory Coast, Jamaica, Japan, Jawa, Kansas, Kentucky, Kenya, Khabarovsk, Korea, Krym, Laos, Lesser Sunda Is., Liberia, Louisiana, Madagascar, Maine, Malawi, Malaya, Mali, Maluku, Manchuria, Maryland, Massachusetts, Mexico Central, Mexico Gulf, Mexico Southeast, Mexico Southwest, Michigan, Minnesota, Mississippi, Missouri, Mozambique, Myanmar, Namibia, Nansei-shoto, Nebraska, Nepal, New Brunswick, New Guinea, New Hampshire, New Jersey, New South Wales, New York, Nicaragua, Niger, Nigeria, North Carolina, North Caucasus, Northern Provinces, Northern Territory, Nova Scotia, Ohio, Oklahoma, Ontario, Pakistan, Panamá, Paraguay, Pennsylvania, Peru, Philippines, Primorye, Prince Edward I., Queensland, Québec, Rhode I., Rwanda, Senegal, Sierra Leone, South Carolina, South Dakota, Sri Lanka, Sudan, Sulawesi, Sumatera, Suriname, Tennessee, Texas, Thailand, Togo, Trinidad-Tobago, Uganda, Ukraine, Uruguay, Venezuela, Vermont, Vietnam, West Himalaya, West Virginia, Western Australia, Wisconsin, Zambia, Zaïre, Zimbabwe
Introduced into:
Arizona, Aruba, Azores, Bahamas, Bermuda, Burundi, California, Cameroon, Cape Provinces, Caroline Is., Cayman Is., Colorado, Comoros, Cook Is., Corse, Czechoslovakia, Equatorial Guinea, Fiji, France, Free State, Gulf States, Haiti, Hawaii, Italy, KwaZulu-Natal, Lebanon-Syria, Leeward Is., Maldives, Marianas, Marquesas, Marshall Is., Mauritius, Mexico Northeast, Mexico Northwest, Nauru, Netherlands Antilles, New Caledonia, New Zealand North, Norfolk Is., Oman, Palestine, Portugal, Puerto Rico, Rodrigues, Romania, Réunion, Samoa, Sardegna, Saudi Arabia, Sicilia, Society Is., Solomon Is., South Australia, South China Sea, Spain, Swaziland, Taiwan, Tanzania, Turkey, Vanuatu, Victoria, Virginia, Windward Is., Yemen
- Pontederia africana (Solms) M.Pell. & C.N.Horn
- Pontederia australasica (Ridl.) M.Pell. & C.N.Horn
- Pontederia azurea Sw.
- Pontederia brevipetiolata (Verdc.) M.Pell. & C.N.Horn
- Pontederia cordata L.
- Pontederia crassipes Mart.
- Pontederia cyanea (F.Muell.) M.Pell. & C.N.Horn
- Pontederia diversifolia (Vahl) M.Pell. & C.N.Horn
- Pontederia elata (Ridl.) M.Pell. & C.N.Horn
- Pontederia gigantea D.J.Sousa
- Pontederia hastata L.
- Pontederia heterosperma (Alexander) M.Pell. & C.N.Horn
- Pontederia korsakowii (Regel & Maack) M.Pell. & C.N.Horn
- Pontederia meyeri (A.G.Schulz) M.Pell. & C.N.Horn
- Pontederia natans P.Beauv.
- Pontederia ovalis Mart. ex Schult. & Schult.f.
- Pontederia paniculata Spreng.
- Pontederia paradoxa Mart. ex Schult. & Schult.f.
- Pontederia parviflora Alexander
- Pontederia plantaginea Roxb.
- Pontederia reflexa D.J.Sousa
- Pontederia rotundifolia L.f.
- Pontederia sagittata C.Presl
- Pontederia subovata (Seub.) Lowden
- Pontederia triflora (Seub.) G.Agostini, D.Velázquez & J.Velásquez
- Pontederia vaginalis Burm.f.
- Pontederia valida (G.X.Wang & Nagam.) M.Pell. & C.N.Horn
- Cabanisia Kotschy ex Schltdl.
- Calcarunia Raf.
- Carigola Raf.
- Eichhornia Kunth
- Gomphima Raf.
- Hirschtia K.Schum. ex Schwartz
- Kadakia Raf.
- Leptosomus Schltdl.
- Limnostachys F.Muell.
- Michelia Adans.
- Monochoria C.Presl
- Narukila Adans.
- Piaropus Raf.
- Pontederas Hoffmanns.
- Reussia Endl.
- Umsema Raf.
- Unisema Raf.
Pontederia L. appears in other Kew resources:
First published in Sp. Pl.: 288 (1753)
Accepted by
- (2018). https://phytokeys.pensoft.net/article/27652/ epublication.
- Govaerts, R. (2004). World Checklist of Monocotyledons Database in ACCESS: 1-54382. The Board of Trustees of the Royal Botanic Gardens, Kew.
Flora of Tropical East Africa
Flora of Tropical East Africa
http://creativecommons.org/licenses/by-nc-sa/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 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