noun
- a layer of parenchyma cells formed inward by the cork cambium in woody plants
Usage: botanical
Examples
- The phelloderm develops as part of the periderm in tree bark.
- Cork cambium produces cork cells outward and phelloderm inward.
- The phelloderm contains living cells that can store nutrients.
- In older stems, the phelloderm may become compressed by secondary growth.
- Botanists study the phelloderm to understand bark formation.
- The phelloderm layer is typically thinner than the cork layer.