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EXAMINING STEMS We have some woody stems which have been broken off at both ends. By listing the parts of the stem, we will be able to tell which end was attached to the tree and which end was reaching for the sun. On all stems, the roots are at the base, where it came from the tree. Next, we see the leaf scar, or a node, if the leaves have fallen. After the leaf scar, or node, is a bud. This means that the bud is farther away from the tree than the leaf scar. If we had kept the far end of the stem, we would see the "terminal" bud, which is on the very end of the stem. (The word "terminal" means "end.") You only need to remember "RLBT," which means "roots, leaf scar, bud, terminal," and you will know the direction that a stem grows. "RLBT" is called a "formula" (pronounced "form- you-la"), and that is kind of a shortcut for remembering many kinds of things.  Any problems with this page? Send URL to
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