noun
- A small involucre; a secondary involucre or bract-like structure beneath an umbel or flower cluster.
Usage: botany; technical
Examples
- The involucel of the carrot plant consists of narrow, hair-like bracts.
- In umbelliferous plants, the involucel supports the secondary flower clusters.
- Botanists examine the involucel to help classify members of the parsley family.
- The involucel is smaller and less prominent than the main involucre.