which  is  plant  whose  all part are  edible

There is no such plant whose all part are edible.But there are few plants which 2 or more edible parts

• Banana Tree - The fruit, flower and even the stem is eaten.
• Methi (fenugreek plant) - seeds, leaves and stem
• Coriander - seeds, leaves and stem                                                                                                                   [ these are few]