Sagittaria rigida

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Canadian arrowhead
Sessilefruit arrowhead
Scientific classification
Kingdom: Plantae
(unranked): Angiosperms
(unranked): Monocots
Order: Alismatales
Family: Alismataceae
Genus: Sagittaria
Species: S. rigida
Binomial name
Sagittaria rigida
  • Sagitta rigida (Pursh) Nieuwl.
  • Sagittaria sagittifolia var. rigida (Pursh) Torr.

Sagittaria rigida, the sessilefruit arrowhead[2] or Canadian arrowhead,[3] is an aquatic plant species native to Canada and to the United States and also naturalized in Great Britain. It grows in shallow waters along the edges of ponds and streams. It generally has linear to narrowly elliptical leaves and sessile female flowers.[4][5]


  1. ^ The Plant List
  2. ^ "Sagittaria rigida". Natural Resources Conservation Service PLANTS Database. USDA. Retrieved 26 October 2015. 
  3. ^ "BSBI List 2007". Botanical Society of Britain and Ireland. Archived from the original (xls) on 2015-02-25. Retrieved 2014-10-17. 
  4. ^ Flora of North America v 22, Sagittaria rigida
  5. ^ Frederick Traugott Pursh. 1813. Flora Americae Septentrionalis 2: 397, Sagittaria rigida'