- A flattened stem or part more or less resembles a leaf, and performs the big event of a leaf as to respiration and absorption.
- A flattened stem or branch which more or less resembles a leaf, and executes the event of a leaf in relation to respiration and assimilation.
- In botany, a stem or part which assumes the functions of vegetation. The broad, succulent stems of Cactaceæ tend to be familiar instances.
- A granular or scale-like human body which does occur regarding podetia of certain lichens, specially Stereocaulon.