Either way, they are never wanted. We’re talking about those annoying white strings on bananas, or more technically, “phloem bundles.” (Appetizing name, right?) Anyone who’s peeled a ...

Companion cells provide the energy for the sieve cells. The end walls of the sieve cells have pores through which sugar is transported from cell to cell.

These strands, called phloem bundles, are crucial for the fruit's growth, distributing nutrients throughout the banana.

Specialised plant cells include root hair cells, palisade cells, xylem cells and phloem cells. Just like animals, plants are made of tiny little cells. Like animal cells, basic plant cells have a ...