Heard spelling

inflorrescence

Spelled inflorescence. a doubled consonant

The r does not double.

One r, and the stress that seems to call for two is a syllable further on.

The weight of in-flor-ESS-uhnss falls on the third syllable, not the second, so there is nothing behind the r to double. Doubling it breaks the root as well: flor has one r in floral, florist, flora and floret, and it keeps one here.

Say

in-flor-ESS-uhnss

Letters

I-N-F-L-O-R-E-S-C-E-N-C-E