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Date taken: 28 - September - 2008
Location: Sacile (PN)
The oleander (Nerium oleander L., 1753) is an evergreen shrub belonging to the family Apocynaceae. Is it native to Asia but naturalized in the Mediterranean and spontaneous and widely cultivated for ornamental purposes.
The flowers are large and showy, radial symmetry, arranged in terminal buds. The cup is divided into five lobes lanceolate, pale pink or white forms in the wild. The corolla is tubular and then divided into five lobes, varying in color from white to pink to carmine red. The cultivated varieties are double flowered. The androecium consists of five stamens, with filaments welded pipe corollino. The ovary is super, formed by two carpels pluriovulari. The bloom is abundant and scalar begins in April or May and lasts through the summer until autumn.
The fruit is a follicle fusiform, narrow and elongated, 10-15 cm long. A mature, open lengthwise, leaving out the seeds. The seed has a size varies from 3 to 5 mm long and about 1 mm in diameter and is topped with a fluff prepared umbrella (PAPP), which allows the seed to be carried by wind for long distances.
The oleander is a thermophilic species eliofila and quite hardy. Takes advantage of soil moisture with a strong vegetative response, however, has xerofitici characters due to the change of leaf stomata that allow it to withstand long periods of drought. Sensitive to cold weather , so in cold environments outside his area fitoclimatica should be placed in sheltered and sunny.
The oleander is one of the most toxic plants that are known. The whole plant (leaves, bark, seeds) is toxic to any animal species.
contains about 150 species of annual or perennial evergreen plants, which reach a height of about 30-50 cm and is grown for its spectacular foliage.
Platanus is a kind of plants of family of Platanaceae .
is used as an ornamental tree for avenues, parks and large gardens