Hydrangeoideae
# Hydrangeoideae

Hydrangeoideae is a subfamily of the hydrangea family (Hydrangeaceae). It contains two tribes, Hydrangeeae and Philadelpheae. The subfamily was described by Gilbert Thomas Burnett in 1835.

## Description

Pollen grains from species within the subfamily are often subprolate to subspherical. The leaf venation is largely camptodromous.

