October 31, 2022 by mgnvmmfQuercus_phellos__Acorns_10.19.2022_CRW_Ft.Hunt_Park Acorns whose cupules (cups) do not detach easily are not fully ripe and they are usually the first Quercus phellos (willow oak) acorns to fall. Photo © Christa Watters About mgnvmmf Previous Post:Quercus_phellos__Acorns_10.19.2022_CRW_Ft.Hunt_Park