WordNet
- alternative classification for some genera included in Potamogetonaceae; one species (同)family Zannichelliaceae
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Potamogetonaceae |
|
Potamogeton crispus |
Scientific classification |
Kingdom: |
Plantae |
(unranked): |
Angiosperms |
(unranked): |
Monocots |
Order: |
Alismatales |
Family: |
Potamogetonaceae
Rchb.[1] |
Genera |
See text
|
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]
Contents
- 1 Taxonomy
- 2 Characteristics
- 3 Genera
- 4 References
- 5 External links
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]
- Althenia
- Groenlandia
- Lepilaena
- Potamogeton
- Stuckenia
- Zannichellia
References[edit]
- ^ 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.
- ^ Haynes, R. R. 1975. A revision of North American Potamogeton subsection Pusilli (Potamogetonaceae). Rhodora 76: 564--64
- ^ 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.
- ^ 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
External links[edit]
- Angiosperm Phylogeny Website
- Potamogetonaceae at the DELTA Online Families of Flowering Plants
- Potamogetonaceae at the Germplasm Resources Information Network
- Potamogetonaceae at the Online Flora of North America
- Zannichelliaceae at the Online Flora of North America
- Potamogetonaceae at the NCBI Taxonomy Browser
English Journal
- Flower-like terminal structures in racemose inflorescences: a tool in morphogenetic and evolutionary research.
- Sokoloff D1, Rudall PJ, Remizowa M.
- Journal of experimental botany.J Exp Bot.2006;57(13):3517-30. Epub 2006 Sep 27.
- Terminal flower-like structures (TFLS) occur in many angiosperms that possess indeterminate inflorescences such as spikes, racemes, or spadices. We describe and review TFLS in early-divergent angiosperms, especially the magnoliid order Piperales and the monocot order Alismatales, in which floral int
- PMID 17005921
- Phylogenetic studies in the monocot subclass Alismatidae: evidence for a reappraisal of the aquatic order Najadales.
- Les DH1, Garvin DK, Wimpee CF.
- Molecular phylogenetics and evolution.Mol Phylogenet Evol.1993 Dec;2(4):304-14.
- Within the angiosperm subclass Alismatidae (= superorder Alismatiflorae), contemporary taxonomists have often assigned the families Hydrocharitaceae and Najadaceae to different orders. The Najadaceae are presumably allied to a variety of aquatic families in the order Najadales, whereas the Hydrochar
- PMID 8049779
Japanese Journal
- Bulletin of the National Museum of Nature and Science. Series B, Botany 33(3/4), 133-136, 2007-12
- NAID 110007184976
- 日本におけるイトクズモ(イトクズモ科)の分布と新産地
- The pollination ecology of Zannichellia palustris L. (Zannichelliaceae).
Related Links
- Thesaurus Antonyms Related Words Synonyms Legend: Noun 1. Zannichelliaceae - alternative classification for some genera included in Potamogetonaceae; one species family Zannichelliaceae liliopsid family, monocot family - family of flowering plants having a single cotyledon (embryonic leaf) in the seed
- Get this from a library! Zannichelliaceae. [Henk Beentje] ... Note: Citations are based on reference standards. However, formatting rules can vary widely between applications and fields of interest or study. The specific requirements or ...
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