What is a stone pine?
Characteristics of stone pine (Pinus pinea)
Common English name: Stone pine, umbrella pine, parasol pine, Italian stone pine
Common name in other languages:
Scientific noun: Pinus pinea L.
Habitat. Where to find stone pines?
Native from the eastern Mediterranean and, according to many researchers, from the island of Crete. It appears referenced from very old times in Spain, Portugal and North Africa.
Description of stone pine
Evergreen tree of the Pinaceae family up to 25, although rarely exceeds 20.
Erect trunk, robust, with a large part of it devoid of branches, reddish brown bark, fissured and deeply divided into blocks that break off offering an orange-red bark. It differs from most pines because of its crown appearance. With a wide and flat shape that resembles the shape of a parasol hence, in French, it is known as “Pin Parasol” or “Parasol pine”
Needle-shaped leaves. Adult ones gathered in pairs, up to 20 cm long, dull green, bent and somewhat sharp. Young leaves are single, only reach about 4 cm in length and have a more bluish color.
Female cones up to 15 cm long, globose, yellowish-green in youth and bright reddish-brown at maturity that they reach after 3 years.
Edible seeds (pine nuts) about 2 cm long, with wings less than 1 mm, since they are dispersed by animals or by man and not by wind. It blooms from March to May.
Where to find stone pines?
In times past, when the weather was not so dry, large areas populated part of what is now the Sahara desert. Today it has expanded throughout the Mediterranean, either naturally or by replanting, especially located along the coast in sandy soils.
It is believed that there are about 400,000 hectares worldwide of pine. Of these, 150,000 are distributed only in the province of Huelva (Spain), most of them in the Marismillas or in the Coto Donana. Most of these populations respond to artificial reforestation carried out during the eighteenth and nineteenth centuries.
Stone pine prefers siliceous soils, but it can live in other soil types. It is very undemanding with water and stands up heat, wind and even cold very well. It can live from sea level to 1000 meters.
It has been planted as an ornamental in other places in the world such as California, South Africa and Australia. In all these sites it has adapted very well, especially in South Africa where it is considered an invasive species. It has also been introduced in western Europe, reaching to northern Scotland and the east coast of the United States, where it can survive, albeit with difficulty, to almost 50 ° north latitude.
Like Aleppo pine (Pinus halepensis) is a resin-producing species, which facilitates numerous forest fires that appear very often where it grows. Fire facilitates the expulsion of the seeds.
Cultivation of stone pine
Stone pine needs a sunny exposure and a light soil, well drained, of sandy or clay-sandy nature. It does not support the shadow nor bogged down or peaty soils.
Uses of stone pine
- Wood: It has little value as fine wood, but it can be used in the construction and production of tools. It has been commonly used in the native zone as fuel for home for its ability to burn that is provided by its wealth of resins.
- Production of resins: It can be used as resin producer.
- Shade tree: It can be planted as an ornamental tree in large squares or gardens. Because of its broad crown and leaf density, it provides a very good shade.
- Production of pine nuts: Most exploitation of pine is aimed at the production of seeds, called pine nuts. These are edible, being included within the edible nuts.
Pine nuts are very rich in oils and, therefore, they offer a large calorific value. They can be eaten raw or cooked, being excellent to combine with ice cream, pastries, salads, etc.
More information on stone pine, pine nuts and pines.
22 February, 2022