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Lavatera arborea

Lavatera arborea
Photo Information
Copyright: Luis alberto (semprempe) Silver Star Critiquer/Gold Note Writer [C: 34 W: 4 N: 140] (974)
Genre: Plants
Medium: Color
Date Taken: 2012-03-19
Categories: Flowers
Camera: Canon 550D, 18-55 Canon EFS
Exposure: f/9.0, 1/60 seconds
More Photo Info: [view]
Photo Version: Original Version
Date Submitted: 2012-03-19 12:36
Viewed: 2565
Points: 12
[Note Guidelines] Photographer's Note
Lavatera arborea
From Wikipedia, the free encyclopedia
Lavatera arborea

Lavatera arborea
Scientific classification
Kingdom: Plantae
(unranked): Angiosperms
(unranked): Eudicots
(unranked): Rosids
Order: Malvales
Family: Malvaceae
Genus: Lavatera
Species: L. arborea
Binomial name
Lavatera arborea
Malva dendromorpha M.F.Ray
Malva arborea (L.) Webb & Berthol.
Lavatera arborea (sometimes known by the obsolete name or Malva arborea), the Tree Mallow, is a species of mallow native to the coasts of western Europe and the Mediterranean region, from the British Isles south to Algeria and Libya, and east to Greece.[1][2][3]

It is a shrubby annual, biennial or perennial plant growing to 0.5–2 m (rarely 3 m) tall. The leaves are orbicular, 8–18 cm diameter, palmately lobed with five to nine lobes, and a coarsely serrated margin. The flowers are 3–4 cm diameter, dark pink to purple and grow in fasciculate axillary clusters of two to seven. It grows mainly on exposed coastal locations, often on small islands, only rarely any distance inland.[1][3][4][5][6]
Although long considered a species of Lavatera, genetic and morphological analysis by Martin Forbes Ray, reported in 1998, suggested it was better placed in the genus Malva, in which it was named Malva dendromorpha M.F.Ray.[7][8] However the earlier name Malva arborea L. (Webb & Berthol.) was validly published and has priority over Malva dendromorpha.

Lavatera arborea tolerates sea water to varying degrees, at up to 100% sea water in its natural habitat, excreting salt through glands on its leaves.[9][10] This salt tolerance can be a competitive advantage over inland plant species in coastal areas. Its level of salinity tolerance is thought to be improved by soil with higher phosphate content, making guano enrichment particularly beneficial.[10]

The leaves of the species are used in herbal medicine to treat sprains, by steeping them in hot water and applying the poultice to the affected area.[11] It is theorised that lighthouse keepers may have spread the plant to some British islands for use as a poultice and to treat burns, an occupational hazard.[12][13] Thought to have been used as an alternative to toilet paper. The seeds are edible and are known in Jersey as "petit pains", or "little breads".
Tree Mallow was considered a nutritive animal food in Britain in the 19th century, and is still sometimes used as animal fodder in Europe.[9]
Lavatera arborea has long been cultivated in British gardens, as described in the 1835 self-published book British Phaenogamous Botany, which used the then-common name Sea Tree-mallow: "This species is frequently met with in gardens, where, if it is allowed to scatter its seeds, it will spring up for many successive years, and often attain a large size. The young plants will, as Sir J. E. Smith observes, now and then survive one or more mild Winters; but having once blossomed it perishes."[14]
While sometimes detrimental to seabird habitat, management of Tree Mallow (both planting and thinning) has been successfully employed to shelter nesting sites of the threatened Roseate Tern, which requires more coverage than Common Terns to impede predation.[15][16]
[edit]Invasive spread

Tree Mallow seeds may be transported between separated coastal areas by the floating fruit, and seabirds are considered a likely means of spread. The seeds are encased in an impermeable outer case, and can remain viable for years, even after extended immersion in saltwater.[9]
The Tree Mallow's recent increased range among Scottish islands has raised concerns that it is displacing native vegetation, and is reducing Atlantic Puffin (Fratercula arctica) populations in affected areas. The plant forms dense stands along the island coasts that inhibit breeding, and causes the puffins to abandon their burrows.[17][18]
Its spread among Australian islands in recent decades is thought to be reducing biodiversity, soil retention, and seabird habitat. According to one study, "Crested and Caspian Terns that nest in the open are closed out by the canopy, and Little Penguins (Eudyptula minor) and Bridled Terns (Sterna anaethetus) are excluded by the lack of undergrowth".[9]

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Critiques [Translate]

Ciao Luis, lovely composition with beautiful flowers, wonderful natural colors, splendid sharpness and fine details, very well done, my friend, ciao Silvio

  • Great 
  • Bass Gold Star Critiquer/Gold Note Writer [C: 173 W: 0 N: 233] (974)
  • [2012-03-19 14:53]

Hola Luis,
que hermoso macro! lograste una definición y unos colores realmente increibles. Me encanta como los petales parecen de papel con esa luz. Entiendo que hayas querido incorporar el pimpollo, pero tal vez un poco mas de margen arriba estaria bueno, para que no quede la flor tan pegada al margen superior. Gracias por compartir, saludos

  • Great 
  • lousat Gold Star Critiquer/Gold Star Workshop Editor/Gold Note Writer [C: 6573 W: 89 N: 15657] (65479)
  • [2012-03-19 15:36]

Hi Luis,very nice specie of malva,very different and never seen in my country,i like the high contrast and saturation,excellent composition and details too.Have a nice day and thanks,Luciano

Bonjour Luis,
Agréable publication valorisant bien le sujet dans une belle lumière et sous une bonne profondeur de champ.
A bientôt sur TN pour de nouvelles aventures.

hello Luis
very nice picture with great details and beautiful colours
thanks greeting lou

  • Great 
  • pegos Gold Star Critiquer/Gold Note Writer [C: 222 W: 0 N: 356] (1982)
  • [2012-03-20 9:45]

Ciao Luis,
great visual impact in this sharp image! Beautiful lightness and great depth; splendid shades of colours. Well done!

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