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Related to eustele: siphonostele
A stele in which the primary vascular tissue is arranged in bundles around a pith, as in most seed plants.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
a type of stele found in most seed plants, consisting of a central pith surrounded by the primary vascular tissue
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
eu•stele(ˈyu stil, yuˈsti li)
n., pl. -steles. Bot.
an arrangement of the xylem and phloem in discrete strands, separated by areas of parenchymatous tissue.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.