What is the function of leaf spine?
In certain plants entire or the parts of the leaves are modified into sharp and pointed structure called as leaf spines. They are exogenous in origin. It can act as defensive structure since it can protect the plants against grazing animals. It also reduces transpiration.
What has spine instead of leaves?
cactus have spines instead of leaves to prevent a loss of water from the surface of the leaf. Cactus has spines rather than leaves so as to save water.
Why are spines better than leaves?
Spines lose less water than leaves so are very efficient in a hot climate. Spines also prevent animals from eating the plant. Plants which store water in their leaves and stems also have a thick waxy skin so that they lose less water by transpiration.
What is the main function of Hydathodes?
Hydathodes are the structures that discharge water from the interior of the leaf to its surface in a process called guttation.
Which is the main function of fruit?
The main function of fruit is to disperse and protect the seeds.
What is the difference between spine and thorn?
While thorn is a modified stem, the spine is a modified leaf.
What is the Difference Between Thorns and Pickles?
|Part of the plant||Spines are modified leaves or part of leaves||Thorns are modified branches|
Do thorns have poison in them?
Puncture wounds from the thorns happen easily as anyone who has tried to prune these shrubs will attest. Although the thorns are not considered toxic, the skin around the puncture wound can become red, swollen, painful, and itchy. These symptoms are uncomfortable but not dangerous.
Why do cactuses have spines instead of leaves?
Spines – some plants have spines instead of leaves eg cacti. Spines lose less water than leaves so are very efficient in a hot climate. Spines also prevent animals from eating the plant. … Plants which store water in their leaves and stems also have a thick waxy skin so that they lose less water by transpiration.
Why do desert plants have spine like leaves?
Why desert plants have spine-like structures? In desert plants, the leaves are modified into spines-like structures to prevent water loss through transpiration. … a) The long roots that can go deep in the soil for the absorption of water. b) The leaves are modified into spines to prevent water loss through transpiration.
Is aloe vera a modified leaf?
Aloe vera leaf modification allows the plant to store water and thrive in dry climates. The leaves of the aloe vera plant are thick. … The outer layer of the leaves is thick and waxy to prevent water from evaporating. Additionally, aloe vera leaves can use an adapted photosynthesis pathway to generate energy.