Acer knolli
Taxonavigation
| Taxonavigation: Sapindales |
|---|
| Classification System: APG IV
Superregnum: Eukaryota |
Familia: Sapindaceae
Subfamilia: Hippocastanoideae
Tribus: Acereae
Genus: Acer
Section: Acer sect. Negundo
Species: †Acer knolli
Name
Acer knolli J.A.Wolfe & Tanai J. Fac. Sci. Hokkaido Univ., Ser. 4, Geol., 22(1): 102-103. Feb 1987 pl. 37. figs. 1-5, 17
Synonyms
- Heterotypic
- †Acer negundoides auct. non MacGinitie. R.W.Brown. 1935 (part). 580. pl. 69, f. 11.
- †Acer negundoides auct. non MacGinitie. R.W.Brown. 1937b. 180. pl. 58, f. 1.
- †Acer oregonianum auct. non Knowlton. Berry. 1929 (part). 255. pl. 57, f. 2.
Type material
- Holotype: USNM 396061 (fruit)
- Repository: United States National Museum, Smithsonian Institution, National Mall, Washington DC, United States
- Collector: unknown
- Repository: United States National Museum, Smithsonian Institution, National Mall, Washington DC, United States
- Paratype: USNM 38157, 39325, 39666, 36444, 396061 (fruits)
- Repository: United States National Museum, Smithsonian Institution, National Mall, Washington DC, United States
- Collector: unknown
- Repository: United States National Museum, Smithsonian Institution, National Mall, Washington DC, United States
- Paratypes: UCMG 17047, 17080 (fruits)
- Repository: Colorado University Museum of Natural History, Colorado University, Boulder, Boulder County, Colorado, United States
- Collector: unknown
- Repository: Colorado University Museum of Natural History, Colorado University, Boulder, Boulder County, Colorado, United States
- Paratypes: HUBM 23479, 23481, 24254 (fruits)
- Repository: Harvard University Herbaria, Harvard Museum of Natural History, Cambridge, Middlesex County, Massachusetts, United States
- Collector: unknown
- Repository: Harvard University Herbaria, Harvard Museum of Natural History, Cambridge, Middlesex County, Massachusetts, United States
Type locality
- Miocene, Burdigalian-Langhian; Spokane Florule, Latah Formation; Brickyard (USGS 7884), Spokane, Spokane County, Washington, United States
Etymology
- "We are grateful to Andrew Knoll for sending us material of fossil Acer from the Latah Formation"
Distribution
Miocene
- Burdigalian-Langhian
- Spokane Florule, Latah Formation; Vera Site (USGS 8427), near Veradale, Spokane Valley, Spokane County, Washington, United States
- Spokane Florule, Latah Formation; Brickyard Site (USGS 7884), Spokane, Spokane County, Washington, United States
- Aquitanian-Serravallian
- Mascall Formation; Tipton (UCMP 3936); Baker County, Oregon, United States
- "middle Miocene"
- Succor Creek Formation; Maple Ridge (UMMP PT-5A), near Nyssa, Malheur County, Oregon, United States
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 2014–56852-1. The International Fossil Plant Names Index. Acer knolli. Published online. Accessed: 56852-1 2025 December 9.