Acer collawashense

Taxonavigation

Taxonavigation: Sapindales
Classification System: APG IV Superregnum: Eukaryota Cladus: Diaphoretickes Cladus: CAM Cladus: Archaeplastida Regnum: Plantae Cladus: Angiosperms Cladus: Eudicots Cladus: Core eudicots Cladus: Rosids Cladus: Eurosids II Ordo: Sapindales

Familia: Sapindaceae
Subfamilia: Hippocastanoideae
Tribus: Acereae
Genus: Acer
Sectio: A. sect. Acer
Series: A. ser. Saccharodendron
Species:†Acer collawashense

Name

†Acer collawashense J.A.Wolfe & Tanai J. Fac. Sci. Hokkaido Univ., Ser. 4, Geol., 22(1): 172, 174 pl. 54. figs. 8, 9; text-fig. 18B. Feb 1987

Type material

• Holotype: UCMP 9351 A&B (leaf)
  • Repository: Museum of Paleontology, University of California Berkeley, Berkeley, Alameda County, California, Unites States

• Paratypes: UCMP 9189 (leaf)
  • Repository: Museum of Paleontology, University of California Berkeley, Berkeley, Alameda County, California, Unites States

Type locality

• Miocene, Aquitanian; Little Butte Formation; Collawash II (UCMP PA-l), near the Collawash River, Clackamas County Oregon, United States

Etymology

• "Type locality is in the drainage of the Collawash River, Oregon."

Distribution

Miocene

• Aquitanian
  • Little Butte Formation; Collawash II (UCMP PA-l), near the Collawash River, Clackamas County Oregon, United States
• Burdigalian
  • Upper Cedarville Formation; '49 Camp (UCMP 97), Washoe County, Nevada, United States

References

Primary references

• Wolfe, J.A. & Tanai, T. 1987. Systematics, Phylogeny, and Distribution of Acer (maples) in the Cenozoic of Western North America. Journal of the Faculty of Science, Hokkaido University. Series 4, Geology and Mineralogy 22(1): 1–246.  PDF Reference page. 

Links

• IFPNI International Editorial Board 2014–2026. The International Fossil Plant Names Index. Acer postense. Published online. Accessed: 2026 January 16.