Overview

Comprehensive Description

  • Ito, Yu, Barfod, Anders S. (2014): An updated checklist of aquatic plants of Myanmar and Thailand. Biodiversity Data Journal 2, 1019: 1019-1019, URL:http://dx.doi.org/10.3897/BDJ.2.e1019
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Plazi

Source: Plazi.org

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Description

Aquatic herbaceous perennials with deciduous stems, forming colonies in water, submerged except for the spikes which are exserted at flowering time and, in some species, the leaf laminae, which may be floating or exposed on bare mud. Rhizome well-developed, rarely 0 or plants perennating by specialised turions. Flowers in axillary or terminal spikes, without bracts, bisexual, actinomorphic. Perianth segments 4, stamens 4. Carpels 4 (or fewer), free, 1-locular. Ovary superior. Ovule solitary.
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© Mark Hyde, Bart Wursten and Petra Ballings

Source: Flora of Zimbabwe

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Ecology

Associations

In Great Britain and/or Ireland:
Foodplant / spinner
larva (later) of Acentria ephemerella spins live, spun leaves of Potamogetonaceae
Remarks: season: summer+

Foodplant / mobile cased feeder
larva (later) of Elophila nympheata grazes in mobile case on live leaf of Potamogetonaceae
Remarks: season: summer+

Foodplant / miner
larva of Hydrellia modesta mines live midrib of Potamogetonaceae
Remarks: season: summer

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Molecular Biology and Genetics

Molecular Biology

Statistics of barcoding coverage

Barcode of Life Data Systems (BOLD) Stats
                                        
Specimen Records:440Public Records:256
Specimens with Sequences:382Public Species:68
Specimens with Barcodes:353Public BINs:0
Species:82         
Species With Barcodes:75         
          
Creative Commons Attribution 3.0 (CC BY 3.0)

© Barcode of Life Data Systems

Source: Barcode of Life Data Systems (BOLD)

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Barcode data

Creative Commons Attribution 3.0 (CC BY 3.0)

© Barcode of Life Data Systems

Source: Barcode of Life Data Systems (BOLD)

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Locations of barcode samples

Collection Sites: world map showing specimen collection locations for Potamogetonaceae

Creative Commons Attribution 3.0 (CC BY 3.0)

© Barcode of Life Data Systems

Source: Barcode of Life Data Systems (BOLD)

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Wikipedia

Potamogetonaceae

Potamogetonaceae, commonly referred to as the pondweed family, is an aquatic family of monocotyledonous flowering plants. There are roughly 120 species spread across six genera. The largest genus in the family by far is Potamogeton, which contains about 100 species.

The family has a sub-cosmopolitan distribution, and is considered to be one of the most important angiosperm groups in the aquatic environment because of its use as food and habitat for aquatic animals.[2]

Taxonomy[edit]

Potamogetonaceae are currently placed in the early diverging monocot order Alismatales by the Angiosperm Phylogeny Group.[1] Their concept of the family includes the plants sometimes treated in the separate family Zannichelliaceae, but excludes the genus Ruppia. So circumscribed, the family currently consists of six genera: Althenia, Groenlandia, Lepilaena, Potamogeton, Stuckenia, and Zannichellia,[3] totalling about 120 species of perennial aquatic plants.

Characteristics[edit]

The plants are all aquatic perennial herbs, often with creeping rhizomes and leafy branches. Their leaf blades can be either floating or submersed, and their stems are often joined. No stomata are present on the leaves. The flowers are tetramerous: the floral formula (sepals; petals; stamens; carpels) is [4;0;4;4]. The flowers have no petals. The fruit consists of 1-4 drupelets or achenes.[4]

Genera[edit]

References[edit]

  1. ^ a b Angiosperm Phylogeny Group (2009). "An update of the Angiosperm Phylogeny Group classification for the orders and families of flowering plants: APG III" (PDF). Botanical Journal of the Linnean Society 161 (2): 105–121. doi:10.1111/j.1095-8339.2009.00996.x. Retrieved 2013-06-26. 
  2. ^ Haynes, R. R. 1975. A revision of North American Potamogeton subsection Pusilli (Potamogetonaceae). Rhodora 76: 564--64
  3. ^ Nunes, E.L.P., de Lima, M.C., Coan, A.I., de Chiara Moco, M.C. (2010). Contribution to the embryology of Potamogeton L. (Alismatales, Potamogetonaceae). Aquatic Botany, 93: 32-38.
  4. ^ Watson, L., and Dallwitz, M.J. (1992 onwards). The families of flowering plants: descriptions, illustrations, identification, and information retrieval. Version: 21st March 2010. http://delta-intkey.com/angio/www/potamoge.htm
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Source: Wikipedia

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