s, a, p, u are letters that make 'pappus'
PA, pus, pap, Pa, US, pa, Pu, Pus are words within 'pappus'
1 possible definitions for 'pappus'
Under this definition, pappus is a noun and has the following properties:
'pappus' can be a type of calyx.
thistledown is a type of pappus.