Azalea roots left exposed by generating near to lower terrain

If an azalea tree generates too close to terrain that is a block lower it's roots will be exposed

i am not talking about the block directly under it.

 

examples found at:

2812 66 420 facing west

2846 65 416 facing east

on seed:

2480881480171786112

structures on

defualt world type

bonus chest off