Chestnut Leaf with Visible Leaf Veins (IMAGE) Technical University of Munich (TUM) Caption Vascular tissue pervades the entire plant body, supplying the plant with water and salts from the ground via the xylem, and with metabolic products such as sugars from photosynthesis via the phloem. Credit Photo: C. Schwechheimer/ TUM Usage Restrictions Free for use in reporting on TU München with the copyright noted. License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.