Persicaria sagittata

Persicaria sagittata
Scientific classification
Kingdom: Plantae
(unranked): Angiosperms
(unranked): Eudicots
(unranked): Core eudicots
Order: Caryophyllales
Family: Polygonaceae
Genus: Persicaria
Species: P. sagittata
Binomial name
Persicaria sagittata
(L.) H.Gross
Synonyms[1]
  • Helxine sagittatum (L.) Raf.
  • Persicaria sagittata var. sieboldii (Meisn.) Nakai
  • Persicaria sieboldii (Meisn.) Ohki
  • Persicaria sieboldii var. brevifolia Kitag.
  • Polygonum belophyllum Litv.
  • Polygonum paludosum (Kom.) Kom.
  • Polygonum sagittatum L.
  • Polygonum sagittatum var. boreale Meisn.
  • Polygonum sagittatum var. gracilentum Fernald
  • Polygonum sagittatum var. paludosum Kom.
  • Polygonum sagittatum var. sibiricum Meisn.
  • Polygonum sagittatum var. sieboldii (Meisn.) Maxim. ex Kom.
  • Polygonum sagittatum subsp. sieboldii (Meisn.) Vorosch.
  • Polygonum sieboldii Meisn.
  • Polygonum sieboldii var. pratense Y.L. Chang & S.X. Li
  • Tasoba sagittata (L.) Raf.
  • Tracaulon sagittatum (L.) Small
  • Tracaulon sibiricum (Meisn.) Greene
  • Tracaulon sieboldii (Meisn.) Greene
  • Truellum paludosum Soják
  • Truellum sagittatum (L.) Soják
  • Truellum sibiricum (Meisn.) Soják
  • Truellum sieboldii Soják

Persicaria sagittata, common names American tearthumb, arrowleaf tearthumb, or arrowvine, is a plant species widespread in the eastern half of North America as well as in eastern Asia. It is known from every state and province from Texas to Manitoba to Newfoundland to Florida, plus Colorado and Oregon. It is also reported from China, the Russian Far East, Siberia, Korea, Japan, northern India and Mongolia. It grows in moist areas along lake shores, stream banks, etc.[2][3]

Persicaria sagittata is an annual herb up to 200 cm tall, with prickles along the stem. Leaves are up to 10 cm long, heart-shaped or arrowhead-shaped (unusual for the genus). Flowers are white to pink, borne in spherical to elongated clusters up to 15 mm long. [2][4][5]

References

  1. ↑ The Plant List
  2. ↑ 2.0 2.1 Flora of North America v 5
  3. ↑ Flora of China
  4. ↑ Merritt Lyndon Fernald. 1950. Gray's Manual of Botany, Eighth (Centennial) Edition. American Book Company, New York.
  5. ↑ Godfrey, R. K. & J. W. Wooten. 1981. Aquatic and Wetland Plants of Southeastern United States Dicotyledons 1–944. University of Georgia Press, Athens.