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Stele  [ Botany ]
Adjective: Stelar

Dictionary of botanic terminology - index of names

     
  The central part of the root or stem of a vascular plant containing the vascular tissue.  
     


Cross section of a stem of Astrophytum myriostigma
The stele is the whitish ring of vascular
bundles in the centre

 

The stele is the central cylinder of conductive tissue, inside the cortex, in the stem or root of a vascular plant, consisting of the vascular tissue together with supporting tissues and its associated ground tissues. The vascular bundles in the stele are arranged in a ring. Although vascular tissues consist of two types of transport tissues, xylem and phloem, diverse arrangements of vascular tissues within the bundles and of vascular bundles in the stele evolved in different vascular plants
 
 

 

 

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