Plant circulatory system

• Plant circulatory tissue
• Plant equivalent of blood vessels
• Upward-flowing plant vessels
• Axes rotten elm having woody tissue
• Axes chopped up elm's woody tissue
• Botanical nutrient conductor
• Tree tissue
• Water-carrying plant tissue

Wiktionary Word definitions in Wiktionary
n. (context botany English) A vascular tissue in land plants primarily responsible for the distribution of water and minerals taken up by the roots; also the primary component of wood.

WordNet Word definitions in WordNet
n. the woody part of plants: the supporting and water-conducting tissue, consisting primarily of tracheids and vessels