umbellule
/ˈʌmbəˌljul/
noun
- A small, secondary umbel (umbrella-shaped flower cluster) that is part of a larger compound umbel, common in plants like carrots and parsley.
- Under the magnifying glass, the umbellule looked like a miniature bouquet.
- Each umbellule of the carrot flower held a tiny group of white petals.
- The botanist carefully counted the number of umbellules on the fennel stalk.