AoB PLANTS Free Paper — The evolution of pollen germination timing in flowering plants: Austrobaileya scandens (Austrobaileyaceae) Austrobaileya has long served as a model for ancient angiosperm pollen structure. Its pollen germination is relatively rapid and requires < 10 % of the progamic phase. Extensive evidence discussed in this paper... Lulu StaderApril 14, 2012