Banana (yellow colour) is a fruit, whereas, a plantain (green in colour basically an unripe banana) is considered a vegetable. Both are edible, even the stem of a banana plant/tree is edible, they cook it in south east Asian countries. read more
However, the banana plant, though it is called a 'banana-tree' in popular usage, is technically regarded as a herbaceous plant (or 'herb'), not a tree, because the stem does not contain true woody tissue. read more
), though since commercially grown banana plants are sterile, the seeds are reduced to little specks. The banana plant is called a 'banana tree' in popular use, but it's technically regarded as a herbaceous plant (or 'herb'), not a tree, because the stem does not contain true woody tissue. read more