Ozakia, a new genus of winged fruit shared between the Miocene of Japan and western North America

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• 作者：Steven R. Manchester (1)
  Kazuhiko Uemura (2)
  
• 关键词：Angiosperm ; Miocene ; Honshu ; Oregon ; Idaho ; Fossil ; Flower ; Fruit ; Eudicot ; Extinct ; Biogeography
• 刊名：Journal of Plant Research
• 出版年：2014
• 出版时间：March 2014
• 年：2014
• 卷：127
• 期：2
• 页码：187-192
• 全文大小：2,455 KB
• 参考文献：1. Axelrod DI (1998) The Oligocene Haynes Creek flora of Eastern Idaho. Univ Calif Publ Geol Sci 143:1-9
  2. Crane PR (1987) / Abelia-like fruits from the Palaeogene of Scotland and North America. Tertiary Res 9:21-0
  3. Fields PF (1996) The Succor Creek flora of the Middle Miocene Sucker Creek Formation, southwestern Idaho and eastern Oregon: systematics and palaeoecology. PhD dissertation, Michigan State University
  4. Graham A (1963) Systematic revision of the Sucker Creek and Trout Creek Miocene floras of southeastern Oregon. Amer J Bot 50:921-36 10.2307/2439780" target="_blank" title="It opens in new window">CrossRef
  5. Graham A (1965) The Sucker Creek and Trout Creek Miocene floras of southeastern Oregon. Kent State Univ Bull 53:1-47
  6. MacGinitie HD (1933) The Trout Creek flora of southeastern Oregon. Carnegie Inst Washington Pub 416:21-8, pl. 3-6
  7. Manchester SR (1999) Biogeographical relationships of North American Tertiary floras. Ann Missouri Botl Gard 86:472-22
  8. Manchester SR, Donoghue M (1995) Winged fruits of Linnaeeae (Caprifoliaceae) in the Tertiary of western North America: / Diplodipelta gen. nov. Int J Plant Sci 156:709-22
  9. Manchester SR, Crane PR, Dilcher DL (1991) / Nordenskioldia and / Trochodendron (Trochodendraceae) from the Miocene of northwestern North America. Bot Gaz 152:357-68 10.1086/337898" target="_blank" title="It opens in new window">CrossRef
  10. Ozaki K (1980) Late Miocene Tatsumitoge flora of Tottori Prefecture, Southwest Honshu, Japan (III). Sci Rep Yokohama Nat Univ Sec 2, 27:19-5, pl. 1-
  11. Ozaki K (1981) On the paleoenvironments of the Late Miocene Tatsumitoge flora. Sci Rep Yokoyama Nat Univ Sec 2(28):47-5
  12. Pigg KB, DeVore ML (2005) / Shirleya grahamae gen. et sp. nov. (Lythraceae), / Lagerstroemia-like fruits from the middle Miocene Yakima Canyon flora, central Washington State, USA. Amer J Bot 92:242-51
  13. Smiley CJ, Huggins LM (1981) / Pseudofagus idahoensis, n. gen. et sp. (Fagaceae) from the Miocene Clarkia flora of Idaho. Am J Bot 68:741-61 10.2307/2443179" target="_blank" title="It opens in new window">CrossRef
  14. Tanai T, Onoe T (1961) A Mio-Pliocene flora from the Ningyo-toge area on the border between Tottori and Okayama prefectures, Japan. Geol Surv Japan, Rep no 187, p 1-2, pl 1-8
  15. Tiffney BH, Manchester SR (2001) The use of geological and paleontological evidence in evaluating plant phylogeographic hypotheses in the Northern Hemisphere Tertiary. Int J Plant Sci 162:S3–S17 10.1086/323880" target="_blank" title="It opens in new window">CrossRef
  16. Wolfe JA, Tanai T (1980) The Miocene Seldovia Point flora from the Kenai group, Alaska. U S Geol Surv Prof Pap 1105(1-2):1-5
  
• 作者单位：Steven R. Manchester (1)
  Kazuhiko Uemura (2)
  
  1. Florida Museum of Natural History, University of Florida, Gainesville, FL, 32611, USA
  2. Department of Geology and Paleontology, National Museum of Nature and Science, Tsukuba, 305-0005, Japan
  
• ISSN：1618-0860

文摘

A new genus is recognized based on winged fruits with a single species shared between the Miocene of southwestern Honshu, Japan, and the Miocene of Oregon and Idaho, USA. Calyces of Ozakia emryi gen. et sp. n. were formerly attributed to Heptacodium (Caprifoliaceae) and Amelanchier (Rosaceae); however, newly recovered specimens reveal additional characters that contradict these assignments. The pedicellate fruits are obovate, tapering basally and truncate apically, with about 10 longitudinal ribs, a prominent epigynous synsepalous calyx of five lobes, each with a midvein and a pair of weaker, ascending intramarginal primary veins. The single style has a capitate stigma. Ozakia is considered to represent an extinct eudicot genus, the familial affinities of which remain uncertain. The eastern Asian–western North American disjunction of Ozakia occurrences suggests that this plant traversed the Beringia land bridge during or prior to the Middle Miocene. Relatively few extinct angiosperm genera are known as late as the Miocene.