What is the collective noun for jacaranda?

There isn't a widely accepted or commonly used collective noun specifically for jacaranda trees.

While we have terms like "grove" for trees in general, and "stand" or "clump" for a group of trees, there isn't a specific term for a group of jacaranda trees.

If you're looking for a descriptive phrase, you could use something like:

* A canopy of jacarandas

* A grove of vibrant jacarandas

* A sea of purple jacaranda blossoms

Ultimately, the best way to describe a group of jacaranda trees depends on the specific context and the desired effect.