Sagittaria teres

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Sagittaria teres
Sagittaria teres drawing.png
Scientific classification e
Kingdom: Plantae
Clade: Angiosperms
Clade: Monocots
Order: Alismatales
Family: Alismataceae
Genus: Sagittaria
Species: S. teres
Binomial name
Sagittaria teres
S.Wats.
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 of arrowhead native to the northeastern United States: Rhode Island (Providence and Washington Counties), Massachusetts, New Hampshire (Hillsborough County), New York (Suffolk County) and New Jersey.[4]

Sagittaria teres grows along the shores of lakes, marshes, and other wetlands, frequently those with acidic water such as Sphagnum bogs.[5][6][7]

Sagittaria teres is a perennial herb up to 80 cm (32 inches) tall. Leaves can grow both under the water and above it. Flowers are white, up to 1.5 cm (0.6 inches) in diameter, borne in one or more whorls on a stalk rising above the leaves.[5][8]

Conservation status in the United states[edit]

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

References[edit]

  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. ^ "Sagittaria teres". Natural Resources Conservation Service PLANTS Database. USDA. Retrieved 26 October 2015. 
  4. ^ Biota of North America Program 2014 county distribution map
  5. ^ a b "Sagittaria teres in Flora of North America @ efloras.org". www.efloras.org. Retrieved 2017-01-30. 
  6. ^ Biota of North America Program Sagittaria teres
  7. ^ "World Checklist of Selected Plant Families: Royal Botanic Gardens, Kew". apps.kew.org. Retrieved 2017-01-30. 
  8. ^ Gray, Asa. 1890. Manual of the Botany of the Northern United States (ed. 6) 555, Sagittaria teres
  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. 

External links[edit]