1. | cells that mature into secondary xylem towards pith and into secondary phloem towards periphery |
2. | cells that mature into secondary xylem towards periphery and into secondary phloem towards pith |
3. | cells that mature into primary xylem towards pith and into primary phloem towards periphery |
4. | cells that mature into primary xylem towards periphery and into primary phloem towards pith |
1. pith meristem | 2. cork cambium |
3. cortex cambium | 4. vascular cambium |
1. | outer cells differentiate into cork or phelloderm and inner cells differentiate into secondary cortex or phellem |
2. | inner cells differentiate into cork or phelloderm and outer cells differentiate into secondary cortex or phellem |
3. | outer cells differentiate into cork or phellem and inner cells differentiate into secondary cortex or phelloderm |
4. | inner cells differentiate into cork or phellem and outer cells differentiate into secondary cortex or phelloderm |