Showing posts with label FLOATING PRIMROSE WILLOW (Ludwigia peploides). Show all posts
Showing posts with label FLOATING PRIMROSE WILLOW (Ludwigia peploides). Show all posts
Sunday, 19 June 2022
Monday, 7 September 2020
Sunday, 16 June 2019
16-6-2019 PEGO MARJAL, ALICANTE - FLOATING PRIMROSE WILLOW (Ludwigia peploides)
Ludwigia peploides is a species of flowering plant in the evening primrose family known by the common names floating primrose-willow and creeping water primrose. It is native to Australia, North America, and South America, but it can be found on many continents and spreads easily to become naturalized. It is well known as a troublesome aquatic noxious weed that invades water ecosystems and can clog waterways. This is perennial herb which grows in moist to wet to flooded areas. The stem can creep over 2 meters long, sometimes branching. It spreads to form mats on the mud, or floats ascending in the water. The leaves are several centimeters long and are borne in alternately arranged clusters along the stem. The flower has 5 to 6 lance-shaped sepals beneath a corolla of 5 or 6 bright yellow petals up to 2.4 centimeters long. The fruit is a hard, cylindrical capsule.
Ludwigia peploides is native to Australia, North America, and South America.
In the US it can be found predominately along the east and southwest coasts.
L. peploides has established a significant presence as an invasive species, and has caused serious problems in areas where it has been introduced, presenting challenges to ecologies and infrastructure. In France, L. peploides now tops the list of the most invasive aquatic plants in the nation.
An estimate of its areas of heaviest dispersion might be gleaned from records of public action against it. Bans on the trade of L. peploides have been enacted in the contiguous nations of France, Netherlands, and Belgium, as well as in United Kingdom and Portugal, and there are reports that it has now also been found in Croatia.
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