 Ranunculus (buttercup) root cross-section. |
 Central region of a Ranunculus root cross-section showing the tetrarch stele. |
 Central region of a Ranunculus stele showing the phloem in between xylem poles. |
 Central portion of a Smilax root showing the stele. |
 Smilax root stele showing the xylem and phloem tissues. |
 Endodermis of a Smilax root showing extreme suberization. |
 Longitudinal section through a corn root. |
 Corn root cross-section showing a root branch. |
 Longitudinal section of the corn root showing the root cap. |
 Longitudinal section of a corn root showing the meristem. |