According to botanists , rose plants don't have thorns ! They actually have prickles . It is a defence mechanism of rose plant . Usually rose plant has an extremely attractive flower with good fragrance . Rose plant has developed these prickles to protect themselves from plant eating animals .
Thorns are modified leaves . We can see thorns in cactus which grow in desert like places . These plants can not afford the leaves with large span area as they result in more loss of water content .
That's why these plants have developed thorns which requires less amount of water .
Thorns are modified leaves . We can see thorns in cactus which grow in desert like places . These plants can not afford the leaves with large span area as they result in more loss of water content .
That's why these plants have developed thorns which requires less amount of water .
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