Eocene Green River Aristolochia P-PCM-16-022 Fossil seed or fruit Upper Cretaceous (Campanian)

Upper Cretaceous (Campanian)

The family is widely distributed and is the third-largest land plant family in terms of number of species

insect larvae

The inner part of the perianth tube is covered with hairs

Corson County

Eocene Green River Aristolochia P-PCM-16-022 Fossil seed or fruit Upper Cretaceous (Campanian)Aristolochia mortua Green River Formation Parachute Creek Member Middle Eocene Uintah County, Utah This is a splendid specimen of the rare fossil leaf of Aristolochia. The leaf is 5 cm tall and displays remarkable venation. The slab also has a very good leaf of Oreopanax elongatum. Aristolochia is a genus of evergreen and deciduous woody vines and herbaceous perennials. The smooth stem is erect or somewhat twining. The simple leaves are alternate and