-generally long round like a cylinder or can also have other shapes.
-consists of segments, each of which is delimited by books and on these books there are leaves.
-usually grows upward.
-the ends are always getting longer.
– make branching.
-generally not green except for short-lived plants.
-Supports plant parts such as leaves, flowers and fruit.
-By branching it widens the field of assimilation.
-As a way of transporting water and nutrients from the bottom up and as a way of transporting assimilated products from top to bottom.
-Become a stockpile of assimilated food reserves.
PLANTS WITHOUT TRUNS (PLANTA ACAULIS)
The stem of this plant is very short, all the leaves seem to come out of the top of the root and are arranged tightly so that the stem is not visible. Example: turnip (Raphanus sativus L.).
PLANTS THAT CLEARLY TRUNK
* Wet stems (herbaceus). For example, stem spinach (Amaranthus spinosus L.)
* Woody stems (lignosus). For example, mango (Mangifera indica L.)
* Grass stalks (calmus). For example, rice stalks (Oryza sativa L.)
* Mendong stem (calamus). An example is the stem of mendong (Fimbristylis globulosa Kunth).
* Round (terrace). For example, bamboo (Bambusa sp)
* Square (angular)