Collenchyma occurs in the stem and petioles of (a) xerophytes (b) monocots (c) dicot herbs (d) hydrophytes.
Option C Collenchyma occurs in climbing stems. Collenchyma occurs in the stem and petioles of dicot herbs. Due to deposition of pectin, it has high water retaining capacity. Since pectin appears at the angles, it becomes a spongy tissues. The collenchyma is a mechanical tissue which gives tensile strength to the plant.
