As water travels through the xylem in the stem and leaf, it is being replaced by water taken up by the roots. Photosynthesis produces glucose in the green parts of plants, which are often leaves.

After traveling from the roots to stems through the xylem, water enters leaves via petiole (i.e., the leaf stalk) xylem that branches off from that in the stem. Petiole xylem leads into the mid ...

The phloem is towards the centre, outside the xylem. Any green part of a plant above ground, where it is exposed to light, can photosynthesise. But a plant’s leaves are the main organ of ...

Xylem cells transport water and nutrients from the roots to the leaves. And get this: the cells do this by dying on purpose. They digest their own insides to become hollow, and their strong cell ...

Guttation is a process by which plants release water, nutrients and minerals in the form of xylem sap. This sap is often mistaken for plain water and is most common in certain varieties of plants ...

Maple syrup is made from the sap of maple trees. Although the sugar maple typically has the highest percentage of sugar in ...