Axes rotten elm having woody tissue

• Plant circulatory tissue
• Plant tissue
• Axes chopped up elm's woody tissue
• Plant equivalent of blood vessels
• Water-transporting tissue in plants
• Phloem's cousin
• The woody part of plants the supporting and water-conducting tissue, consisting primarily of tracheids and vessels
• Water-carrying plant tissue

The Collaborative International Dictionary Word definitions in The Collaborative International Dictionary
Xylem \Xy"lem\, n. [Gr. xy`lon wood.] (Bot.) That portion of a fibrovascular bundle which has developed, or will develop, into wood cells; -- distinguished from phlo["e]m.

Douglas Harper's Etymology Dictionary Word definitions in Douglas Harper's Etymology Dictionary
"woody tissue in higher plants," 1875, from German Xylem , coined from Greek xylon "wood" (see xylo- ).