Sagittaria teres
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Monocots
Order: Alismatales
Family: Alismataceae
Genus: Sagittaria
Species:
S. teres
Binomial name
Sagittaria teres
Synonyms[1]

Sagittaria graminea var. teres (S.Watson) Bogin

Sagittaria teres, the quill-leaved arrowhead[2] or slender arrowhead,[3] is an aquatic plant species in the genus Sagittaria. It is a perennial herb up to 80 centimetres (31 inches) tall. The leaves can grow both under and above the water. The flowers are white, up to 1.5 cm (1⁄2 in) in diameter, borne in one or more whorls on a stalk rising above the leaves.[4][5]

It is native to the northeastern United States: Rhode Island (Providence and Washington Counties), Massachusetts, New Hampshire (Hillsborough County), New York (Suffolk County) and New Jersey.[6] It grows along the shores of lakes, marshes, and other wetlands, frequently those with acidic water such as Sphagnum bogs.[4][7][8]

Conservation

It is listed as endangered in Connecticut,[9] New Jersey, New York, and Rhode Island. It is listed as a special concern in Massachusetts.[10]

References

  1. ↑ The Plant List, Sagittaria teres S.Watson
  2. ↑ Go Botany, New England Wildflower society, Sagittaria teres S. Wats., quill-leaved arrowhead photos, description, info on ecology + conservation
  3. ↑ USDA, NRCS (n.d.). "Sagittaria teres". The PLANTS Database (plants.usda.gov). Greensboro, North Carolina: National Plant Data Team. Retrieved 26 October 2015.
  4. 1 2 "Sagittaria teres in Flora of North America @ efloras.org". www.efloras.org. Retrieved 2017-01-30.
  5. ↑ Gray, Asa. 1890. Manual of the Botany of the Northern United States (ed. 6) 555, Sagittaria teres
  6. ↑ Biota of North America Program 2014 county distribution map
  7. ↑ Biota of North America Program Sagittaria teres
  8. ↑ "World Checklist of Selected Plant Families: Royal Botanic Gardens, Kew". apps.kew.org. Retrieved 2017-01-30.
  9. ↑ "Connecticut's Endangered, Threatened and Special Concern Species 2015". State of Connecticut Department of Energy and Environmental Protection Bureau of Natural Resources. Retrieved 19 January 2018. (Note: This list is newer than the one used by plants.usda.gov and is more up-to-date.)
  10. ↑ "Plants Profile for Sagittaria teres (slender arrowhead)". plants.usda.gov. Retrieved 22 January 2018.


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