Samiksha Jaiswal (Editor)

Sagittaria montevidensis

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Kingdom
  
Genus
  
Higher classification
  
Sagittaria

Order
  
Family
  
Scientific name
  
Sagittaria montevidensis

Rank
  
Species

Sagittaria montevidensis Sagittaria montevidensis Giant arrowhead

Similar
  
Chamissoa, Eryngium eburneum, Guatteria australis, Hygrophila costata, Oxypetalum

Sagittaria montevidensis


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

Contents

Sagittaria montevidensis Sagittaria montevidensis page

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.

Sagittaria montevidensis FileSagittaria montevidensis poster Uruguayjpg Wikimedia Commons

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.

Distribution

Sagittaria montevidensis httpsuploadwikimediaorgwikipediacommonsthu

Sagittaria montevidensis is widespread in wetlands of North America (United States, Canada, Mexico) and South America (Brazil, Bolivia, Ecuador, Peru, Argentina, Chile, Paraguay, Uruguay). 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 It is reportedly naturalized in Spain, Tanzania, and the Island of Java in Indonesia.

Habitat

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

Subspecies

Sagittaria montevidensis FileSagittaria montevidensis 002JPG Wikimedia Commons

  • Sagittaria montevidensis subsp. calycina (Engelm.) Bogin (syn. Sagittaria calycina Engelm.) – United States, Mexico
  • Sagittaria montevidensis subsp. montevidensisSouth America
  • Sagittaria montevidensis subsp. spongiosa (syn. Sagittaria calycina var. spongiosa Engelm., Lophotocarpus spongiosus (Engelm.) J.G.Sm.) – Mid-Atlantic and Northeastern United States, New Brunswick in Canada

  • Sagittaria montevidensis Plants for Ponds amp Water Gardens Sagittaria montevidensis Bog Plant

    References

    Sagittaria montevidensis Wikipedia


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