管束 guǎnshù restrain Definitions Defs Origin Strokes Stroke Words Sentences Sents 维管束 wéiguǎnshù vascular bundle vascular bundle (botany)维管束植物 wéiguǎnshùzhíwù vascular plants plants having specialized conducting tissues (xylem and phloem), including ferns, gymnosperms, and angiosperms
