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Schematic cross section o pairt o leaf, xylem shawn as reid circles at figure 8.

Xylem is ane o the twa types o transport tissue in vascular plants (phloem is the ither). The wird xylem is derived frae the Greek wird ξύλον (xylon), meanin "wid"; the best-kent xylem tissue is wid, tho it is foond throughoot the plant. Its basic function is tae transport watter, but it an aa transports some nutrients.