What kind of thickening is seen in protoxylem?
Reticulate
Pitted
Annular
Scalriform
In protoxylem the thickening that happens due to deposition of lignin is ring-shaped or annular in pattern.
Tyloses thickening is seen in
Protoxylem is the first formed xylem. If the protoxylem lies next to phloem what kind of arrangement of xylem would you call it?
The annular and spirally thickened conducting elements generally develop in the protoxylem when the root or stem is