Babool ped apne padosiyon ko chetavni bhejta hai

Jiraf ke patte chabate hi babool patton mein kadwa tannin bhar deta hai aur hawa mein ethylene gas chhodta hai. Neeche hawa ke rukh par khade ped pehle hi tannin badha lete hain — isliye jiraf hamesha hawa ke vipreet disha mein charte hain.