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{{Taxobox
| color = lightgreen
| name = ''Sagitarria''
| image = Illustration Sagittaria sagittifolia0.jpg
| image_width = 240px
| image_caption = ''S. sagittifolia''
| regnum = [[Plant]]ae
| divisio = [[Magnoliophyta]]
| classis = [[Liliopsida]]
| ordo = [[Alismatales]]
| familia = [[Alismataceae]]
| genus = '''''Sagittaria'''''
| genus_authority = [[Carolus Linnaeus|L.]]
}}
'''''Sagittaria''''' is a genus of about 20 species of [[aquatic plant]]s whose members go by a variety of common names, including '''arrowhead''', '''duck potato''', '''katniss''', '''kuwai''', '''swan potato''', '''tule potato''', and '''wapatoo'''.
Several species bear [[tuber]]s edible as a [[starch]]y [[root vegetable]] that are collected from the wild or cultivated as crops in [[North America]] and [[East Asia]].
== Description ==
[[Image:Sagittaria sagittifolia bloem kl.jpg|left|thumb|''[[Sagittaria sagittifolia]]'' flowers]]
Stock often stoloniferous and tuberiferous. [[Leaves]] aerial, floating or submerged. [[Flowers]] unisexual or polygamous, in umbela, racemes or panicles with female or hermaphrodite flowers at the base and male flowers above or occasionally with the [[flowers]] all male or all female. [[Stamens]] usually numerous. [[Carpels]] numerous, spirally arranged, free, each with 1 ovule; styles apical or subventral. [[Fruit]]lets achenial, laterally compressed, obliquely obovate, the margins winged, with apical or ventral beak.
Probably due to introductions from the [[aquarium]] trade, S. platyphylla (Engelm) G. E. Sm. is naturalized in at least one locality in N. Italy and S. subulata (L.) Buchenau in at least one locality in S. England.
Several species are commonly grown in [[aquariums]] or in the [[pond]].
== Ecology ==
Found in canals, ponds, ditches and slow rivers but is never abundant
== Species ==
* ''[[Sagittaria aginashi]]'' Makino
* ''[[Sagittaria cuneata]]'' E. P. Sheld. (Wapato, Arrowhead, Swamp Potato)
* ''[[Sagittaria fasciculata]]'' (Bunched Arrowhead)
* ''[[Sagittaria graminea]]'' (Grassy Arrowhead)
* ''[[Sagittaria lancifolia]]'' L. (Bulltongue Arrowhead)
* ''[[Broadleaf arrowhead|Sagittaria latifolia]]'' Willd. (Duck-potato, Broad Leaf Arrowhead)
* ''[[Sagittaria montevidensis]]'' (California Arrowhead)
* ''[[Sagittaria platyphylla]]'' (Delta Arrowhead, Delta Duck-potato)
* ''[[Sagittaria rigida]]'' Pursh. (Canadian Arrowhead)
* [[Sagittaria sagittifolia|''Sagittaria sagittifolia'' L.]] (Arrowhead)
* ''[[Sagittaria subulata]]'' L. Buch. (Narrow-leaved Arrowhead)
* ''[[Sagittaria trifolia]]'' L.
== References ==
* Rataj, K., Annot. Zool. Bot. (Bratislava) 76:1-31 (1972); 78:1-61 (1972)
* Staff of the L. H. Bailey Hortorium, Hortus Third, pg. 993
== External links ==
{{Commons}}
* [http://www.itis.usda.gov/servlet/SingleRpt/SingleRpt?search_topic=TSN&search_value=38903 ITIS report]
* [http://www.wwmag.net/wapato.htm Article on gathering wild ''S. latifolia'']
* [http://www.ibiblio.org/pfaf/cgi-bin/arr_html?Sagittaria+graminea&CAN=COMIND Plants for a Future]
* [http://www.wetwebmedia.com/PlantedTksSubWebIndex/sagittaria.htm The Arrowheads]
* [http://www.wsdot.wa.gov/environment/culres/ethbot/q-s/Sagittaria.htm Ethnobotany of S. latifolia]
[[Category:Alismatales]]
[[Category:Root vegetables]]
| color = lightgreen
| name = ''Sagitarria''
| image = Illustration Sagittaria sagittifolia0.jpg
| image_width = 240px
| image_caption = ''S. sagittifolia''
| regnum = [[Plant]]ae
| divisio = [[Magnoliophyta]]
| classis = [[Liliopsida]]
| ordo = [[Alismatales]]
| familia = [[Alismataceae]]
| genus = '''''Sagittaria'''''
| genus_authority = [[Carolus Linnaeus|L.]]
}}
'''''Sagittaria''''' is a genus of about 20 species of [[aquatic plant]]s whose members go by a variety of common names, including '''arrowhead''', '''duck potato''', '''katniss''', '''kuwai''', '''swan potato''', '''tule potato''', and '''wapatoo'''.
Several species bear [[tuber]]s edible as a [[starch]]y [[root vegetable]] that are collected from the wild or cultivated as crops in [[North America]] and [[East Asia]].
== Description ==
[[Image:Sagittaria sagittifolia bloem kl.jpg|left|thumb|''[[Sagittaria sagittifolia]]'' flowers]]
Stock often stoloniferous and tuberiferous. [[Leaves]] aerial, floating or submerged. [[Flowers]] unisexual or polygamous, in umbela, racemes or panicles with female or hermaphrodite flowers at the base and male flowers above or occasionally with the [[flowers]] all male or all female. [[Stamens]] usually numerous. [[Carpels]] numerous, spirally arranged, free, each with 1 ovule; styles apical or subventral. [[Fruit]]lets achenial, laterally compressed, obliquely obovate, the margins winged, with apical or ventral beak.
Probably due to introductions from the [[aquarium]] trade, S. platyphylla (Engelm) G. E. Sm. is naturalized in at least one locality in N. Italy and S. subulata (L.) Buchenau in at least one locality in S. England.
Several species are commonly grown in [[aquariums]] or in the [[pond]].
== Ecology ==
Found in canals, ponds, ditches and slow rivers but is never abundant
== Species ==
* ''[[Sagittaria aginashi]]'' Makino
* ''[[Sagittaria cuneata]]'' E. P. Sheld. (Wapato, Arrowhead, Swamp Potato)
* ''[[Sagittaria fasciculata]]'' (Bunched Arrowhead)
* ''[[Sagittaria graminea]]'' (Grassy Arrowhead)
* ''[[Sagittaria lancifolia]]'' L. (Bulltongue Arrowhead)
* ''[[Broadleaf arrowhead|Sagittaria latifolia]]'' Willd. (Duck-potato, Broad Leaf Arrowhead)
* ''[[Sagittaria montevidensis]]'' (California Arrowhead)
* ''[[Sagittaria platyphylla]]'' (Delta Arrowhead, Delta Duck-potato)
* ''[[Sagittaria rigida]]'' Pursh. (Canadian Arrowhead)
* [[Sagittaria sagittifolia|''Sagittaria sagittifolia'' L.]] (Arrowhead)
* ''[[Sagittaria subulata]]'' L. Buch. (Narrow-leaved Arrowhead)
* ''[[Sagittaria trifolia]]'' L.
== References ==
* Rataj, K., Annot. Zool. Bot. (Bratislava) 76:1-31 (1972); 78:1-61 (1972)
* Staff of the L. H. Bailey Hortorium, Hortus Third, pg. 993
== External links ==
{{Commons}}
* [http://www.itis.usda.gov/servlet/SingleRpt/SingleRpt?search_topic=TSN&search_value=38903 ITIS report]
* [http://www.wwmag.net/wapato.htm Article on gathering wild ''S. latifolia'']
* [http://www.ibiblio.org/pfaf/cgi-bin/arr_html?Sagittaria+graminea&CAN=COMIND Plants for a Future]
* [http://www.wetwebmedia.com/PlantedTksSubWebIndex/sagittaria.htm The Arrowheads]
* [http://www.wsdot.wa.gov/environment/culres/ethbot/q-s/Sagittaria.htm Ethnobotany of S. latifolia]
[[Category:Alismatales]]
[[Category:Root vegetables]]
