YOU SAID:

i found a leaf on the ground from a purple tree in the school

INTO JAPANESE

私は学校の紫色の木から地面に葉を見つけた

BACK INTO ENGLISH

I found a leaf on the ground from the purple tree in the school

INTO JAPANESE

私は学校の紫の木の地面に葉を見つけた

BACK INTO ENGLISH

I found a leaf on the ground of the school's purple tree

INTO JAPANESE

私は学校の紫の木の地面に葉を見つけた

BACK INTO ENGLISH

I found a leaf on the ground of the school's purple tree