Stems
Stem form
Classification based on habit, direction of growth, or position.
| acaulescent | Without a stem, or with the stem so short that the leaves seem to be all basal, as in the dandelion. Do not confuse the peduncle with the stem. |  | 
| ascending | Inclined upward. |  | 
| clambering | Sprawling across objects, without climbing structures. | |
| creeping | Creeping or lying flat and rooting at the nodes. |  | 
| decumbent | Reclining or lying on the ground with the tips ascending |  | 
| erect | Upright. |  | 
| procumbent | Trailing or lying flat, not rooting at the nodes; humistrate. |  | 
| rosulate | Leaves in a rosette. |  |