27
Feb
2009
Prunus laurocerasus L.
Green Pharmacy | Trees and shrubs | Magnoliopsida
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Scientific name - Prunus laurocerasus L.

In 1737 Linnaeus used four types of Prunus species today, Amygdalus, Cerasus, Padus and Prunus, but in 1758 it was reduced to two, Amygdalus and Prunus.

Synonyms - Laurocerasus officinalis

Popular names - Lingua de bo, English laurel, laurbaerkirsebaer, cherry laurel, Lorbeerkirsche, laurowisnia.

Distribution and Habitat - originating in southeastern Europe and southwestern Asia. Grows at the edges of forests.

Description - shrub or small tree, 6 m high. Leaves evergreen, alternate, coriacee, lamina lanceolata-obovata, top acute, base cuneata, upper surface glossy green, the bottom is opaque, ribbed clear, ribbed robust short. Flowers gathered in the raceme, the armpit leaves, calyx composed dbased on 5 sepa united; Corola white, 5 free petals, 20 stamens. Blooms in April-May. Fruit drupe, ovoid, top acuminata, 1 cm diameter.

Growth rate - faster, 30 cm / year.

Tolerances - shading in hot climates.

Propagation - by seeds and seedlings. Seeds require 2-3 months of cold stratification in the greenhouse. They need 18 months to germinate. Young plants in greenhouse to keep the first winter, late spring or even out beyond next summer. Butsirea, using semi-lignificati seedlings with heel, in July-August in the greenhouse. Lignificati seedlings in October.

Culture - grows on slightly acid soils, in places bright or semi-shade. The regular watering.

Management - is clipped after flowering. The spring and summer fertilizeaza liquid or mineral fertilizers. Responds well to strong cuts, once every 2-3 years.

Diseases and pests

Cultivars and varieties:

- 'Aureovariegata' - with yellow-gold on amrgini;

- 'Otto Luyken' - small leaves 10x3 cm;

- 'Rotundifolia' - language leaves oblong, 15 cm long, 5m x 4m;

- 'Zabeliana' - tolerate cold winter conditions.

Properties and Uses - Suitable for hedges. The gardens and terraces, as solitary or container plant.

Leaves are narcotic and sedative properties. External cold infusion of leaves used to infect the eye. Can be toxic, creating trouble breathing, vomiting.

References

David A. Francko - Palms Will not Grow and Other Myths - Timber Press, 2003

Pascal P. Piron - Diseases and pests of ornamental plants - Wiley, 1978

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