Cymodoceaceae

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Cymodoceaceae
Halodule wrightii.jpg
Scientific classification
Kingdom:
Plantae
(unranked):
Angiosperms
(unranked):
Monocots
Order:
Alismatales
Family:
Cymodoceaceae

genera

Cymodoceaceae is a family of flowering plants, sometimes known as the "manatee-grass family", which includes only marine species.[2]

The 2003 APG II system (unchanged from the 1998 APG system) does recognize Cymodoceaceae and places it in the order Alismatales, in the clade monocots (see also the 2016 APG IV system). The family includes five genera, totalling 17 species [3] occurring in tropical seas and oceans (so-called seagrasses).

According to the AP-Website it is doubtful if the family Ruppiaceae is distinct enough to be kept apart: the plants in the three families Cymodoceaceae, Posidoniaceae and Ruppiaceae form a monophyletic group.

Taxonomy

Marine grasses families: Zosteraceae, Cymodoceaceae, Ruppiaceae and Posidoniaceae. Related families: Potamogetonaceae and (and sometimes including) Zannichelliaceae.

Families and Genera crosses (Sea grasses)
Kubitzki (ed. 1998[4]) Watson & Dallwitz (delta-intkey)[5] data.kew[6] APWeb (mobot.org)[7]
Zosteraceae
1. Zostera L. Zostera Zostera L. Zostera L. (including Heterozostera den Hartog, Macrozostera Tomlinson & Posluzny, Nanozostera Tomlinson & Posluzny, Zosterella J. K. Small)
2. Heterozostera den Hartog Heterozostera Heterozostera (Setch.) Hartog (in Zostera)
3. Phyllospadix Hook. Phyllospadix Phyllospadix Hook. Phyllospadix J. D. Hooker
Cymodoceaceae
1. Syringodium Kütz Syringodium Syringodium Kutz. (in Cymodocea)
2. Halodule Endl. Halodule Halodule Endl. Halodule Endlicher
3. Cymodocea König Cymodocea Cymodocea K.Koenig (including Phycoschoenus (Asch.) Nakai ) Cymodocea König (including Amphibolis Agardh ?, Syringodium Kütz. ?, Thalassodendron den Hartog ?)
4. Amphibolis Agardh Amphibolis Amphibolis C.Agardh (including Pectinella J.M.Black) (in Cymodocea)
5. Thalassodendron de Hartog (name not found) Thalassodendron Hartog (in Cymodocea)
Ruppiaceae
Ruppia L. Ruppia (in Ruppia L. in Potamogetonaceae) Ruppia L.
Posidoniaceae
Posidonia König Posidonia Posidonia K.Koenig Posidonia König
Families and Genera crosses (Potamogetonaceae)
Kubitzki (ed. 1998[8]) Watson & Dallwitz (delta-intkey)[9] data.kew[10] APWeb (mobot.org)[11]
Potamogetonaceae
1. Potamogeton L. Potamogeton Potamogeton L. Potamogeton L. (including Coleogeton Les & Haynes, Stuckenia Börner)
2. Groenlandia J. Gray Groenlandia Groenlandia J.Gay Groenlandia J. Gay
(in Ruppia in Ruppiaceae) (in Ruppia in Ruppiaceae) Ruppia L. (in Ruppia in Ruppiaceae)
(in Althenia: Zannichelliaceae and Lepilaena: Zannichelliaceae) (in Althenia: Zannichelliaceae and Lepilaena: Zannichelliaceae) (in Althenia F.Petit: Zannichelliaceae and Lepilaena J.L.Drumm. ex Harv.:Zannichelliaceae) Althenia Petit (including Lepilaena Harvey)
(in Pseudalthenia including Vleisia: Zannichelliaceae) (in Pseudalthenia: Zannichelliaceae and Vleisia: Zannichelliaceae) (Pseudalthenia not found, Vleisia Toml. & Posl.: Zannichelliaceae) Pseudalthenia Nakai (including Vleisia Tomlinson & Posluszny)
(in Zannichellia L.: Zannichelliaceae) (in Zannichellia: Zannichelliaceae) (in Zannichellia L.: Zannichelliaceae) Zannichellia L.
Zannichelliaceae
1. Zannichellia L. Zannichellia Zannichellia L. (in Zannichellia L.: Potamogetonaceae)
2. Pseudalthenia Nakai (including Vleisia) Pseudalthenia (excluding Vleisia) (name not found) (in Pseudalthenia: Potamogetonaceae)
3. Althenia Petit (excluding Lepilaena Drumm. ex. Harv.) Althenia (excluding Lepilaena) Althenia F.Petit (excluding Lepilaena J.L.Drumm. ex Harv.) Althenia Petit (including Lepilaena Harvey)
4. Lepilaena Drumm. ex. Harv. Lepilaena Lepilaena J.L.Drumm. ex Harv. (in Althenia Petit)
(in Pseudalthenia) Vleisia Vleisia Toml. & Posl. (in Pseudalthenia: Potamogetonaceae)

References

  1. ↑ 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. ↑ Waycott, Michelle; McMahon, Kathryn; Lavery, Paul (2014). A Guide to Southern Temperate Seagrasses. CSIRO Publishing. ISBN 9781486300150.
  3. ↑ Christenhusz, M. J. M.; Byng, J. W. (2016). "The number of known plants species in the world and its annual increase". Phytotaxa. Magnolia Press. 261 (3): 201–217. doi:10.11646/phytotaxa.261.3.1.
  4. ↑ Kubitzki (ed.) 1998. The families and genera of vascular plants, vol 4, Monocotyledons: Alismatanae and Commelinanae (except Gramineae). Springer-Verlag, Berlin.
  5. ↑ Watson & Dallwitz. Zosteraceae. The families of flowering plants. http://delta-intkey.com/angio/www/zosterac.htm
  6. ↑ Vascular Plant Families and Genera. List of genera in family CYMODOCEACEAE (accessed 2016-06-02) http://data.kew.org/cgi-bin/vpfg1992/genlist.pl?CYMODOCEACEAE
  7. ↑ VASCULAR PLANT FAMILIES and GENERA. List of Genera in CYMODOCEACEAE (accessed 2016-06-02) http://www.mobot.org/mobot/research/apweb/orders/alismatalesweb.htm#Cymodoceaceael
  8. ↑ Kubitzki (ed.) 1998. The families and genera of vascular plants, vol 4, Monocotyledons: Alismatanae and Commelinanae (except Gramineae). Springer-Verlag, Berlin.
  9. ↑ Watson & Dallwitz. Potamogetonaceae. The families of flowering plants. http://delta-intkey.com/angio/www/potamoge.htm
  10. ↑ Vascular Plant Families and Genera. List of genera in family POTAMOGETONACEAE (accessed 2016-06-02) http://data.kew.org/cgi-bin/vpfg1992/genlist.pl?POTAMOGETONACEAE
  11. ↑ VASCULAR PLANT FAMILIES and GENERA. List of Genera in POTAMOGETONACEAE (accessed 2016-06-02) http://www.mobot.org/mobot/research/apweb/orders/alismatalesweb.htm#Potamogetonaceae

External links

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