2. Meristems Based on location Apical meristem Lateral Meristem Based on origin Primary meristems Secondary meristems
3. Root apex vs. Shoot apex Root apex âbidirectional (root cap and towards the axis) SUBTERMINAL No lateral appendages No nodes and internodes Branching initiated beyond the region of most active growth
12. Sclereids brachysclereidsâ phloem, cortex and bark of stems ---flesh of fruits of pear Macrosclereidsâ testa of seeds of legumes Osteosclereidsâ seeds and leaves of dicots Astrosclereids--leaves
22. Phloem Sieve tube elements -- arranged end to end -- enucleate -- with specialized depressions at their end wall (sieve areas) ---sieve plates (end wall)