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Sagittaria montevidensis is a species of flowering plant in the water-plantain family Alismataceae. Common names include giant arrowhead[3] and California arrowhead.

California arrowhead
Scientific classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Monocots
Order: Alismatales
Family: Alismataceae
Genus: Sagittaria
Species:
S. montevidensis
Binomial name
Sagittaria montevidensis
Subspecies

See text

Synonyms[2]
  • Lophotocarpus spongiosus (Engelm.) J.G.Sm.
  • Sagittaria alismifolia Phil. ex Micheli
  • Sagittaria andina Phil.
  • Sagittaria calycina Engelm.
  • Sagittaria calycina var. spongiosa Engelm.
  • Sagittaria chilensis Cham. & Schltdl.
  • Sagittaria incrassata Steud. [Invalid]
  • Sagittaria montevidensis subsp. chilensis (Cham. & Schltdl.) Bogin
  • Sagittaria montevidensis f. flaviflora Chodat & Hassl.
  • Sagittaria montevidensis f. immaculata Hicken</small
  • Sagittaria montevidensis f. maculata Hicken
  • Sagittaria montevidensis f. normalis Hauman
  • Sagittaria montevidensis var. scabra Micheli
  • Sagittaria montevidensis var. spongiosa (Engelm.) B.Boivin
  • Sagittaria multinervia Larrañaga
  • Sagittaria oblonga Larrañaga
  • Sagittaria ovifolia Larrañaga
  • Sagittaria pugioniformis var. andina (Phil.) Kuntze
  • Sagittaria pugioniformis var. chilensis (Cham. & Schltdl.) Kuntze
  • Sagittaria pugioniformis f. depauperata Kuntze
  • Sagittaria pugioniformis f. longipedicellata Kuntze
  • Sagittaria pugioniformis f. macrophylla Chodat & Hassl.
  • Sagittaria pugioniformis var. montevidensis (Cham. & Schltdl.) Kuntze
  • Sagittaria teniifolia Phil. ex Micheli

Description


Sagittaria montevidensis is a robust, stemless, rhizomatous, aquatic plant. The young ribbon-like leaves grow submerged, while the leaves of older plants emerge above the water surface. The leaves are sagitatte and glabrous, up to 28 centimeters long and 23 centimeters wide. Its terete, spongy petioles may reach a length of more than 0.75 m (2.5 ft) and are up to 3 inches thick.

Inflorescences are typically shorter than the leaves and decumbent. Flowers are in whorls or pairs at nodes and have a diameter of two to three centimeters.. They have three petals, each of which is white with a striking wine-colored stain, and three green sepals. The thick pedicels are as long as 5 cm (2.0 in). Flowering occurs from June to September.[4]


Distribution


Sagittaria montevidensis is widespread in wetlands of North America (United States, Canada, Mexico) and South America (Brazil, Bolivia, Ecuador, Peru, Argentina, Chile, Paraguay, Uruguay).[1] In North America, the distribution is disjunct, primarily in a wide area from West Virginia to Texas to South Dakota, but with isolated occurrences in New Brunswick, Maine, Connecticut, New York, New Jersey, California, Florida and Alabama[5] It is reportedly naturalized in Spain, Tanzania, and the Island of Java in Indonesia.[6]


Habitat


It grows preferentially at the edges of ponds, in shallow and often only temporarily existing waters.[citation needed]


Subspecies



References


  1. "Sagittaria montevidensis". Germplasm Resources Information Network (GRIN). Agricultural Research Service (ARS), United States Department of Agriculture (USDA). Retrieved 2010-05-11.
  2. The Plant List, Sagittaria montevidensis
  3. USDA, NRCS (n.d.). "Sagittaria montevidensis". The PLANTS Database (plants.usda.gov). Greensboro, North Carolina: National Plant Data Team. Retrieved 26 October 2015.
  4. "Sagittaria montevidensis Cham. & Schl. subsp. calycina (Engelm.) Bogin". Missouriplants.com. Retrieved 2010-05-11.
  5. "Sagittaria montevidensis in Flora of North America @ efloras.org". www.efloras.org. Retrieved 2017-01-30.
  6. "World Checklist of Selected Plant Families: Royal Botanic Gardens, Kew". apps.kew.org. Retrieved 2017-01-30.
  7. "Sagittaria montevidensis subsp. calycina". Germplasm Resources Information Network (GRIN). Agricultural Research Service (ARS), United States Department of Agriculture (USDA). Retrieved 2010-05-12.
  8. "Sagittaria montevidensis subsp. montevidensis". Germplasm Resources Information Network (GRIN). Agricultural Research Service (ARS), United States Department of Agriculture (USDA). Retrieved 2010-05-12.
  9. "Sagittaria montevidensis subsp. spongiosa". Germplasm Resources Information Network (GRIN). Agricultural Research Service (ARS), United States Department of Agriculture (USDA). Retrieved 2010-05-12.


Media related to Sagittaria montevidensis at Wikimedia Commons Data related to Sagittaria montevidensis at Wikispecies


На других языках

- [en] Sagittaria montevidensis

[es] Sagittaria montevidensis

La saeta de Montevideo (Sagittaria montevidensis) es una especie de planta acuática perteneciente a la familia de las alismatáceas. Es nativa de Estados Unidos, México, Brasil [s.], Bolivia, Ecuador, Perú, Argentina [n.], Chile, Paraguay, Uruguay.

[ru] Стрелолист монтевидейский

Стрелолист монтевидейский[5] (лат. Sagittaria montevidensis) — водное многолетнее травянистое растение, вид рода Стрелолист (Sagittaria) семейства Частуховые (Alismataceae). Произрастает в Северной и Южной Америке.


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