Multiple choice Which of the following is/are not a feature of gymnosperms? Parallel venation Perennial plants Distinct branches (long and short) Xylem with vessels - Reveal answer Fill a bubble to check yourself D Correct answer Explanation This is the characteristic of angiosperms, and not gymnosperms. Here, the xylem is made up of xylem parenchyma, tracheids and fibres only.