Wolffia arrhiza (L.) Horkel ex Wimm.
ARACEAE
- Arum family (Angiosperms - Flowering plants)
Taxon Page:
Name: Wolffia arrhiza (L.) Horkel ex Wimm.
Nomencl. ref.: Fl. Schles., ed. 3: 140 (1857)
Rank: species
Images of Wolffia arrhiza
Common names
U.S.
name:
Spotless watermeal
English name: rootless duckweed
Italian name: Wolffia senza radici
German name: wurzellose Zwergwasserlinse
Grown habit: Forb/herb
Duration: Perennial
Synonyms:
TAXONOMY
Kingdom: Plantae
Subkingdom: Tracheobionta
Superdivision: Spermatophyta
Division: Magnoliophyta
Class: Liliopsida
Subclass: Arecidae
Order: Arales
Family: Araceae
Genus: Wolffia
Species:
Page counter: 1692 ( AVG: 222.86 / 291.95 )
Gallery:
Wolffia arrhiza
Dipartimento di Scienze della Vita, Università di Trieste - Progetto Dryades - Picture by Andrea Moro - Comune di Padova, Orto botanico dell'Università di Padova, PD, Veneto, Italia, - Image licensed under a Creative Commons Attribution Non Commercial Share-Alike 3.0 License
Wolffia arrhiza
Credit: Photo by Marco Banzato
Wolffia arrhiza
Picture modified from Richard Wettstein - Handbuch der Systematischen Botanik (1924) - Permission granted to use under GFDL by Kurt Stueber. Source: www.biolib.de - Permission is granted to copy, distribute and/or modify this image under the terms of the GNU Free Documentation License, Version 1.3 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license is included in the section entitled 'GNU Free Documentation License'.
Wolffia arrhiza
Dipartimento di Scienze della Vita, Università di Trieste - Progetto Dryades - Picture by Andrea Moro - Comune di Padova, Orto Botanico, PD, Veneto, Italia, - Image licensed under a Creative Commons Attribution Non Commercial Share-Alike 3.0 License
Wolffia arrhiza
Picture modified from Gilg, Ernst; Schumann, Karl - Das Pflanzenreich Hausschatz des Wissens (1900) - Permission granted to use under GFDL by Kurt Stueber. Source: www.biolib.de - Permission is granted to copy, distribute and/or modify this image under the terms of the GNU Free Documentation License, Version 1.3 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license is included in the section entitled GNU Free Documentation License.
Wolffia arrhiza
Credit: Photo by Alfonso La Rosa
Wolffia arrhiza
Dipartimento di Scienze della Vita, Università di Trieste - Progetto Dryades - Picture by Andrea Moro - Image licensed under a Creative Commons Attribution Non Commercial Share-Alike 3.0 License
Wolffia arrhiza
Dipartimento di Scienze della Vita, Università di Trieste - Progetto Dryades - Picture by Andrea Moro - Comune di Padova, Orto Botanico, PD, Veneto, Italia, - Image licensed under a Creative Commons Attribution Non Commercial Share-Alike 3.0 License
Wolffia arrhiza
Picture modified from Graebner, Paul - Taschenbuch zum Pflanzenbestimmen (1918) - Permission granted to use under GFDL by Kurt Stueber. Source: www.biolib.de - Permission is granted to copy, distribute and/or modify this image under the terms of the GNU Free Documentation License, Version 1.3 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license is included in the section entitled GNU Free Documentation License.
Wolffia arrhiza
Dipartimento di Scienze della Vita, Università di Trieste - Progetto Dryades - Picture by Andrea Moro - Comune di Padova, Orto Botanico. , PD, Veneto, Italia, - Image licensed under a Creative Commons Attribution Non Commercial Share-Alike 3.0 License
Wolffia arrhiza
Dipartimento di Scienze della Vita, Università di Trieste - Progetto Dryades - Picture by Andrea Moro - Comune di Padova, Orto Botanico, PD, Veneto, Italia, - Image licensed under a Creative Commons Attribution Non Commercial Share-Alike 3.0 License
Wolffia arrhiza
Dipartimento di Scienze della Vita, Università di Trieste - Progetto Dryades - Picture by Andrea Moro - Comune di Padova, Orto botanico dell'Università di Padova, PD, Veneto, Italia, - Image licensed under a Creative Commons Attribution Non Commercial Share-Alike 3.0 License
Wolffia arrhiza
Hippolyte Coste - Flore descriptive et illustrée de la
France, de la Corse et des contrées limitrophes, 1901-1906 - This image is in
public domain because its copyright has expired.
Search for more information on the Web
All families All genera
Links:
- The New Plantfinder - Images and local names of vascular plants - Project Dryades / KeyToNature, coordinated by the Department of Life Sciences, University of Trieste
- Lichens - Interactive identification keys to the lichens
- Acta Plantarum - Forum and Image Gallery (Plants, Animals, Mushrooms)
Distribution in USA and Canada (*)
USA (California)
Map for Wolffia arrhiza (L.) Horkel ex Wimm.
(*) USDA, NRCS. 2009. The PLANTS Database (http://plants.usda.gov, 28 August 2009). National Plant Data Center, Baton Rouge, LA 70874-4490 USA
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Genera (Araceae)
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Common names (Wolffia)
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More species:
1) Wolffia floridana (Donn. Sm.) Donn. Sm. ex Hegelm. [96]
2) Wolffia gladiata Hegelm. var. floridana Donn. Sm. [143]
3) Wolffia papulifera C.H. Thomp. [150]
4) Wolffia punctata Griseb. [117]
5) Wolffiopsis welwitschii (Hegelm.) Hartog & Plas [134]
6) Woodsia cathcartiana B.L. Rob. [135]
7) Woodsia obtusa (Spreng.) Torr. [305]
8) Woodsia scopulina D.C. Eaton var. appalachiana (T.M.C. Taylor) Morton [125]
9) Wyethia bolanderi (A. Gray) W.A. Weber [219]
10) x Agroelymus cayouetteorus B. Boivin, orth. var. [153]
1-May-2024 - Week-18