Gymnosperms are also called soft wood spermatophytes because they lack
cambium
phloem fibres
thickwalled tracheids
xylem fibres.
$I.$ Made up of sclerenchymatous cells
$II.$ Generally absent in primary phloem
$III.$ Much elongated and pointed
Given above characters belongs to which of the following?
Pith cells are found in
Which of the following is absent in most of the monocotyledons?