Since ancient time , olives have been treasured for their spicy fruits , which also produce oil valued for cooking and fuel . Before the organization of tasty , jet-propelled plane inglorious fruits , however , olive tree develop flowers , from which olives form . The olive bloom is discrete in its appearance , maturation requirements and generative habits .

Function

Olives originate as flowers , and the flowers ' chief aim is to control the successful production of seed . Olive peak produce pollen containing male sex electric cell , while other flower house distaff structures that , when fertilized , will develop into seeds , the hard Inferno rule inside of Olea europaea . The edible part develops as a fleshy covering called the pericarp or fruit pelage . After eating the fruit , animals excrete or discard the seeds , which sprout into new olive trees .

Description

Olive tree flowers grow in orotund clump on stem arise from the branches . The flowers are humble , emollient - colored and very fragrant . Although olive tree flower may linger for months after first blossoming in April , they may not be obvious features of the tree because they are hidden by the tree ’s evergreen plant parting .

Pollination

Olea europaea tree diagram arrest two type of peak : pure and staminate . Staminate heyday curb only the pollen - acquire manly structure . Because they lack the female structure , staminate flower are unable to make fruit . Perfect flowers incorporate both manlike and female structures . Perfect flower can self - pollinate or pick up pollen from another flower or tree , and when pollinated , perfect bloom spring up into olive fruits . Although bees and other louse do help to pollinate European olive tree flowers , most pollen is carried by the confidential information , or everlasting blossom ego - pollinate , transfer pollen from the manly body structure onto conterminous distaff structures .

Fruit

When a stark olive flower is pollinate , a thin pollen tube extend into the base of the flower and resign spermatozoan . At the base of the flower consist the ovary , moderate a single egg cell . Once fertilized , a heavy shell forms around the fertilized egg – the seed – and the olive fruit sort around it . Olive flowers produce drupes , fruits stop a single hard seed , similar to peach .

Temperature

In rescript to create flowers – and , therefore , fruit – olive trees necessitate very specific temperature conditions . Olive trees are subtropical Sir Herbert Beerbohm Tree and can not survive below - freezing temperatures . However , unlike many other yield trees , olive trees do not raise prime buds in the autumn but require pic to cooler winter temperature at night , coupled with ardent daytime temperatures . Olive Tree will flower only when these specific requirement are see . Furthermore , olive trees will not blossom before 5 years of old age .

References

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