Sagittaria filiformis

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Threadleaf arrowhead
Sagittaria filiformis.jpg
Scientific classification OOjs UI icon edit-ltr.svg
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Monocots
Order: Alismatales
Family: Alismataceae
Genus: Sagittaria
Species:
S. filiformis
Binomial name
Sagittaria filiformis
Synonyms [1]
  • Sagittaria natansMichx.
  • Sagittaria natans var. gracillimaS.Watson
  • Sagittaria stagnorumSmall
  • Sagittaria storiflexumB.Bagmor.
  • Sagittaria subulata var. gracillima(S.Watson) J.G.Sm.
  • Sagittaria subulata var. natansJ.G.Sm.

Sagittaria filiformis, the threadleaf arrowhead, [2] is a perennial aquatic plant growing up to 170 centimetres (67 inches) tall. Some leaves are thread-like, entirely underwater, but others are narrowly ovate or lanceolate and floating on the surface. [3] [4]

The species is native to the eastern United States, from Maine south to Florida and Alabama. It occurs in flowing streams in the northern part of its range, but more stagnant waters such as marshes and swamps in the South. [3] [5]

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<i>Sagittaria isoetiformis</i> Species of aquatic plant

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<i>Sagittaria cristata</i> Species of aquatic plant

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References

  1. The Plant List, Sagittaria filiformis
  2. USDA, NRCS (n.d.). "Sagittaria filiformis". The PLANTS Database (plants.usda.gov). Greensboro, North Carolina: National Plant Data Team. Retrieved 26 October 2015.
  3. 1 2 "Sagittaria filiformis in Flora of North America @ efloras.org". www.efloras.org. Retrieved 2017-01-30.
  4. Smith, Jared Gage. 1894. North American Species of Sagittaria and Lophotocarpus 20, pl. 15, figs 5-8, Sagittaria filiformis
  5. "World Checklist of Selected Plant Families: Royal Botanic Gardens, Kew". apps.kew.org. Retrieved 2017-01-30.