dictyosteleyoudaoicibaDictYouDict[dictyostele 词源字典]
"A type of stele found in certain vascular plants (especially ferns) which is broken up into a network of meristeles separated by parenchymatous areas usually associated with leaf-gaps", Early 20th cent. From dictyo- + stele.[dictyostele etymology, dictyostele origin, 英语词源]