Eocene Green River aff. Urticaceae
Unidentified Leaf
Family Urticaceae (?)
Green River Formation
Middle Eocene
Lincoln County, Wyoming
This fossil leaf is probably undescribed but it may belong to the Family Urticaceae. The leaf is 11.5 cm and has well defined venation. This is a beautiful example of a rare leaf from our collection. There are some insect feeding scars.
The Urticaceae are a family, the nettle family, of flowering plants. The family name comes from the genus Urtica. The Urticaceae include a number of well-known and useful plants, including the nettles, ramie (Boehmeria nivea), māmaki (Pipturus albidus), and ajlai (Debregeasia saeneb).
The family includes about 2625 species, grouped into 53 genera according to the database of the Royal Botanic Gardens, Kew and Christenhusz and Byng (2016). The largest genera are Pilea (500 to 715 species), Elatostema (300 species), Urtica (80 species), and Cecropia (75 species).
Urticaceae species can be found worldwide, apart from the polar regions.