The fig tree is synonymous with the
Mediterranean area even though it is originally from the Middle East and western
Asia . Together with the grape vine and olive
tree, the fig tree was one of the first trees to be domesticated. Its
cultivation marks the start of horticulture in the Mediterranean . Nowadays the figis cultivated for its fruit and as an ornamental tree far beyond the Mediterranean .
The fig tree is adapted for the Mediterranean
climate. It remains in leaf and produces figs during the hottest months. It manages
to do this by having an aggressive root system that can dig deep into the earth
seeking the minutest sources of water that allow it to flourish when all
surrounding vegetation is parched dead and in the process cooling the
surrounding environment.
Figs are an important food for mammals as well
as for local and migratory birds. In return these fruit eaters help the tree by
dispersing its seeds with their droppings. It is no wonder that sometimes one
sees fig trees growing out of walls and in cracks along pavements and other
unusual places.
To produce seeds all species of fig require the
help of a particular species of wasp. The fertilised female wasp enters the fig
through a tiny hole in the crown. The wasp walks over the flowers and lays eggs
on some of them. While walking she unwittingly leaves pollen on the flowers
which fertilise them. After laying the eggs she dies inside the fruit.
This is
the start of a cycle that sees male wasps hatching before females. The males fertilise
the females which are still in the unhatched eggs. When the time comes the
males assist the females to hatch while some males enlarge the hole so that the
fertilised females can leave the fruit. The newly emerged fertilised females
have 48 hours in which to find another fruit, enter through its tiny hole and
lay their eggs.
Reading through the list of health benefits of
the fig tree and its fruit is like going through the list of contents in a medicine
chest. Even the sap which is known as an irritant to human skin has its
benefits. It is traditionally used to remove warts and to reduce the pain from
wasp stings but recent studies have shown that it is also anti-inflammatory and
anti-oxidant. Other parts of the tree are antibacterial and antiviral while the
fruit provides many beneficial nutrients.
This article was published in The Times of Malta on 14 August 2014.
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