Coleus shoot tip, note primary meristems, leaf primordia, axillary bud meristems, and intercalary meristem regions.
Root tip, note root cap and primary meristems.
Diagrammatic representation of herbaceous dicot stem vascular bundle, note the vascular cambial zone.
Micrograph of herbaceous dicot stem vascular bundles, note cambial zone.
Development of the periderm (in this case developing from cortical cells).