Often called the flamboyant tree, it is usually listed as cold-hardy only as far north as Zone 10.
From the chron.com
He asked Maduro to retrieve two long, dried seed pods of the flamboyant tree, gripped one in his hand and showed how he would pretend to sword fight with such pods.
From the guardian.co.uk
Our parents get quieter, and the oak tree grows more flamboyant.
From the timesunion.com
The tree sits in the middle of the building's central space with a flamboyant disregard for all the niceties of Washington architecture.