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Forest crops: Olivagno

Forest crops: Olivagno



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Classification, origin and diffusion

Division: Spermatophyta
Subdivision: Angiospermae
Class: Dicotyledones
Order: Rosales
Family: Elaeagnaceae

The lake is a species native to western Asia (up to Afghanistan). Introduced in Europe in the seventeenth century, it is now widely used as an ornamental plant.

Olivagno - Elaeagnus angustifolia L. (photo www.eiu.edu/~egarden)

Olivagno - Elaeagnus angustifolia L. (photo www.math.iupui.edu)

General characteristics

Habit, trunk and bark
Shrub or small deciduous tree up to 76 meters high. The foliage is dense and rounded. The bark is thin and has shallow cracks. The branches are provided with thorns and are covered with a silvery patina.
leaves
The leaves are 4-9 centimeters long, alternating, lanceolate, gray - green. On the lower page they have a whitish patina that protects them from excessive perspiration.
Reproductive structures
The flowers, single, in pairs or in threes, are axillary, provided with a peduncle, with tubular calyx ending in a 4-tooth flap, dirty yellow, up to 8 mm long. The fruit (pseudodrupa) is similar to unoliva, yellowish, up to 2 cm long, edible although not very juicy.

Uses

Used as an ornamental tree, in particular along the coasts, where it shows to adapt well to the strong winds.


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