|definition||Please see the term ‘Asteraceae’ for more details about the distribution and description
of species within this genus.
Pollen Morphology: The pollen grains from this subfamily have flat panels in a snowflake like shape and have window-like apertures. The surface of these pollens are spikey. The size of the pollen in both groups are variable with most taxa being 20-25um in diameter but some are seen to be smaller (15um).