corolla
n. countable C2 Proficiency US //kɝˈɑɫə// UK //kəɹˈəʊlɐ// corol·la
n. the part of a flower that is made of all the petals together. It is usually the colorful part that attracts bees and butterflies.
n. the inner envelope of a flower, consisting of the petals. It is typically distinct from the outer calyx and serves to attract pollinators through color or scent.
The bright red corolla attracts many hummingbirds.
The botanist examined the shape of the corolla to identify the specific species of orchid found in the valley.
In many plant families, the individual petals of the corolla are fused into a tube-like structure, a morphological adaptation that restricts access to nectar to specific insect species.
Usage
Often used in technical botanical descriptions to refer to the petals as a collective unit.