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Ludwigia sedoides, commonly known as mosaic flower and false loosestrife, is a herbaceous perennial plant of the family Onagraceae. It has yellow flowers that bloom from June to August. Native to Brazil and Venezuela, its habitat includes wet, swampy localities.

Ludwigia sedioides
Scientific classification
Kingdom:	Plantae
Clade:	Tracheophytes
Clade:	Angiosperms
Clade:	Eudicots
Clade:	Rosids
Order:	Myrtales
Family:	Onagraceae
Genus:	Ludwigia
Species:	L. sedioides
Binomial name
Ludwigia sedioides (Humb. & Bonpl.) H.Hara

It may be invasive in some areas.[1]

Distributions

The majority of Ludwigia sedioides are found in subtropical America. Mosaic plant is native to Central America and South America, primarily Venezuela, Panama, Columbia, and Brazil.[2][3] Due to its rapid growth, efficient mode of reproduction, and aggressive nature, it has been identified as a potentially invasive plant in Sri Lanka. In the future, it might actually pose a threat to Sri Lanka's Biodiversity.[4]

Morphology

It is an aquatic herbaceous shrub. It is found in standing pools of water with leaves floating on the surface, or growing in very swampy wet soils. The stems of this plant are reddish and brittle. Leaves are diamond-shaped with toothed margins, radiate outwards to form mosaic-like rosettes. The edges of central and older leaves turn bright red when the plant is grown under bright light or sunlight. Leaf rosettes are fully extended during daytime with gaps in between leaves. At night, the rosettes contract such that the leaves overlap one another. This plant is suitable for ponds or containers with 30–60 cm (12–24 in) depth. The plant needs to be rooted in the substrate below the water surface. Genus epithet 'Ludwigia' is named after German botanist and professor of medicine, Christian Gottlieb Ludwig (1709–1773). Ludwig corresponded with Carl Linnaeus (father of modern botanical taxonomy) about plant classifications, and Linnaeus dedicated the genus 'Ludwigia' in honor of Ludwig. Species epithet 'sedoides' means 'resembling sedum', a reference to the leaves which resemble those of certain Sedum species in terms of appearance and color changes under strong light. [5]

Flowers and fruits

The flowers are bright yellow, cup-shaped, solitary, produced in leaf axils from June to August in native habitats. Fruits are explosive capsules. The flower measures 50 mm (2 in) across.[2][6]

Usage

Ludwigia sedioides is an ornamental plant. Hence, apart from its natural habitat, it finds its uses in personal (artificial) ponds and aquariums. Though use in the aquarium is a bit complicated as the need for sunlight and nutrient matters.[7] To summarize, the uses include Riverine, Container Planting, Aquarium / Aquascape, Pond / Lake / River.

References

External resources

• https://web.archive.org/web/20050116163139/http://www.horticopia.com/hortpix/html/pc3456.htm

На других языках

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- [en] Ludwigia sedioides

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[es] Ludwigia sedioides

Ludwigia sedioides, conocida en inglés como mosaic flower, flor mosaico, es una especie de planta herbácea perenne de la familia Onagraceae. Tiene flores amarillas, que florecen de junio a agosto. Endémica de Brasil y de Venezuela, su hábitat incluye sitios húmedos, inundables.

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