{{Short description|Genus of flowering plants}} {{Speciesbox | image = Nechamandra alternifolia Myanmar Dec 2008.jpg | image_caption = | status = LC | status_system = IUCN3.1 | status_ref = <ref name=IUCN>{{cite iucn |author=Juffe Bignoli, D. |year=2011 |title=''Nechamandra alternifolia'' |article-number=e.T169039A6566565 |doi=10.2305/IUCN.UK.2011-1.RLTS.T169039A6566565.en |access-date=31 July 2024}}</ref> | display_parents = 2 | genus = Nechamandra | parent_authority = Planch. | species = alternifolia | authority = (Roxb. ex Wight) Thwaites | synonyms_ref = <ref name=e/> | synonyms = *''Vallisneria alternifolia'' <small>{{au|Roxb. ex Wight}}</small> *''Lagarosiphon alternifolia'' <small>(Roxb. ex Wight) Druce</small> *''Nechamandra roxburghii'' <small>Planch.</small> *''Lagarosiphon roxburghii'' <small>(Planch.) Benth.</small> }}
'''''Nechamandra''''' is a monotypic genus of an aquatic plant family Hydrocharitaceae.<ref name="CookandLuond">Cook and Luond (1982) [http://www.sciencedirect.com/science/article/pii/0304377082900754 A Revision of the genus ''Nechamandra'' (Hydrocharitaceae)] ''Aquatic Botany'' '''13:''' 505-513</ref> The sole species is '''''Nechamandra alternifolia'''''.<ref name="e">{{Cite web|url=http://apps.kew.org/wcsp/namedetail.do?name_id=308345|title=World Checklist of Selected Plant Families: Royal Botanic Gardens, Kew|website=apps.kew.org|language=en-GB|access-date=2017-02-01}}</ref> It is found in slow moving fresh water.<ref name="CookandLuond" />
==Distribution and habitat== This is a rare plant in lakes and ponds. It is known from Asian fresh waters of Sudan, Socotra, Sri Lanka, India, Nepal, Bangladesh, China, Myanmar, Thailand, and Vietnam.<ref name="Itoetal2009">Ito, Y., T. Ohi-Toma, Nb. Tanaka, and J. Murata (2009) New or noteworthy plant collections from Myanmar (3) ''Caldesia parnassifolia'', ''Nechamandra alternifolia'', ''Potamogeton maackianus'' and ''P''. ''octandrus''. ''Journal of Japanese Botany'' '''84:''' 321-329.</ref><ref>Ito, Y. (2013) New records of aquatic plants for the flora of Thailand: ''Nechamandra'' ''alternifolia'' and ''Potamogeton'' ''octandrus''. ''Thai Forest Bulletin'' '''41:''' 140-144</ref><ref>{{Cite web|url=http://www.tropicos.org/Name/40025701|title=Tropicos {{!}} Name - !Nechamandra Planch.|website=www.tropicos.org|access-date=2017-02-01}}</ref>
==Chromosome number== Chromosome numbers of 2n = 14 is reported from India<ref name="CookandLuond" /> and Myanmar.<ref name="Itoetal2009" />
==References== {{Commons}} {{Reflist}}
{{Taxonbar|from=Q1103756}}
Category:Hydrocharitaceae genera Category:Monotypic Alismatales genera Category:Hydrocharitaceae
{{Alismatales-stub}}