Vascular bundles have multifaceted functions ... has developed a method for producing sieve tube and vessel cells from leaf ...

The PV leaf is protected only by a 0.7-mm thick high-transmittance glass layer. The structure utilizes vascular hydrophilic fiber bundles that uniformly distribute water through the PV-leaf.

Vascular tissue in the midrib and veins Branches of the xylem, to transport water and minerals to the leaf. Branches of the phloem. To transport glucose and other products of photosynthesis to ...