Originally from North Africa, the cork oak is a tree of the family Fagaceae exploited for its bark, which provides the cork. This tree much more prevalent in eastern Algeria can live for several centuries and does not generally exceed 15 meters.
The evergreen leaves for two to three years are small, alternate, leathery, lined with spiny teeth and fluffy on the underside. The yellow flowers bloom around April-May. Acorns oblong, wrapped on half their width of the cups, came together in pairs.
The thick bark, and cracked insulation up to 25 cm thick. The cork produced directly by the tree is used after processing for its insulation properties.
The carob tree is native to Mediterranean regions. This tree widespread in the culture adapts to the arid slopes. Measuring five to seven meters high, it may exceptionally reach fifteen meters.
The trunk is large and twisted, bark brown and rough. The carob tree is an ornamental tree for its foliage, which provides shade appreciated. The large leaves from twelve to thirty centimeters are persistent. The flowers appear from August to October and give the carob fruit.
The carob is a pod for quite long, at first green, it becomes dark brown, leathery and thick, maturing in summer. It draws from the carob products used by the food industry.
It is a deciduous tree that can reach a height of 12 meters at maturity. Its port is widely spread, her pale brown to brown bark is cracked. These leaves are pinnate or partly bipinnate. They consist of leaflets lobed or toothed. In autumn, foliage green to golden. The four-petaled yellow flowers are formed at ends of branches in conical panicles in the second part of the summer giving birth to lantern-shaped capsules pale green at first, then becoming chestnut brown at maturity.
Originally from Asia, he became an ornamental in temperate regions for its aesthetics.
A tree living in the Tindouf area, which attracted the attention of botanists for centuries. The argan tree is a thorny 8 to 10 meters high, with leaves reduced. Its silhouette is typical: large crown and round, gnarled trunk, tortuous and rather short, often consisting of interlaced parts. The flowers appear white to greenish yellow in May – June
It is undemanding in terms of ground and finds himself perfectly adopted to the arid south-western Algeria. Experiences of introducing the argan tree are conducted in the region of Dahr.
The fruit of the argan oil is extracted from argan used by the people of this region for its food and cosmetic virtues.
Title: International year of Forest – Algeria
Date of Issue: 26 January 2011
Denominations: 15.00, 20.00, 38.00 and 30 DA