Knowledge (XXG)

Macginitiea

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396: 1137: 1270: 682: 110: 1529: 130: 2037: 296:(e.g. leaves, fruits, wood) even if those organs might have belonged to the same plant. When these organ species are considered together as a whole plant, the study is known as a whole plant reconstruction. Some localities have enough co-occurrences of different fossil plant organs that whole plant reconstructions are possible, one example being the 1369:
As of 1986, Dr. Steven Manchester said that "The Clarno Plane is currently the most completely documented fossil angiosperm species, known morphologically and anatomically from wood, leaves, pistillate and staminate inflorescences, fruits, and pollen." Associations of multiple organs of the Clarno
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Plane in various combinations have been found in "more than ten localities" throughout western North America, as of 2008. Other platanoid leaves have since been found in association with reproductive structures, including leaves such as
1839:
Crane, P. R.; Stockey, R. A. (1985). "Growth and reproductive biology of Joffrea speirsii gen. et sp. nov., a Cercidiphyllum-like plant from the Late Paleocene of Alberta, Canada".
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and its associated organs are important as together they comprise one of the most well-documented and ubiquitous fossil plants, particularly in the Paleogene of North America.
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are so regular and prominent compared to other platanoids that this recognizable "chevron" pattern has been considered a primary characteristic of the species.
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Maslova, N. P. (2008). "Association of vegetative and reproductive organs of platanoids (Angiospermae): significance for systematics and phylogeny".
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Manchester, S. R. (1986). "Vegetative and reproductive morphology of an extinct plane tree (Platanaceae) from the Eocene of western North America".
2189: 2174: 1481: 307: 285:, but has been found in close association with other fossil platanoid organs, which collectively have been used for whole plant reconstructions. 274: 1285:) have an even more developed perianth than pistillate flowers, but similarly have more consistent numbers of parts than the modern, with 5 2184: 383:
to be problematic, first being named for Cretaceous fossils of uncertain affiliation with the family, and therefore erected the new genus
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can be distinguished on the basis of lobe depth, extent of chevrons, prevalence of teeth, and partly lobe number. In total, 5 species of
395: 1136: 2179: 1344:(fused) within each floret, causing them to be shed in clusters of stamen bundles, rather than one at a time as in modern 1269: 2194: 1317: 1313: 637: 410: 129: 681: 109: 2199: 1872:
Wolfe, J. A., & Wehr, W. (1987). Middle Eocene dicotyledonous plants from Republic, northeastern Washington.
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species by its fewer number of lobes (usually 3, instead of 5-9) and less distinct "chevron" venation pattern.
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and other areas ranging from California to Texas and North to Alberta. The genus is strictly used to describe
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plant and its implications for biogeography, basilaminar lobe development, and evolution in Platanaceae".
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From Greenhouse to Icehouse: The Marine Eocene-Oligocene Transition. Columbia University Press, New York
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Retallack, G.J. (1996). "Reconstructions of Eocene and Oligocene plants and animals of central Oregon".
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The "Clarno Plane" was established as an informal name to refer to the whole plant recognized from five
1093: 755: 1396: 1390: 1372: 2169: 1749: 1533: 1378: 815: 583: 441:
often occurs basally, rather than suprabasally (as encountered in some modern species). Although the
1958:"Middle Eocene trees of the Clarno Petrified Forest, John Day Fossil Beds National Monument, Oregon" 1781:
Myers, J. A. (2003). Terrestrial Eocene-Oligocene Vegetation and Climate in the Pacific Northwest.
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Pigg, K. B.; Stockey, R. A. (1991). "Platanaceous plants from the Paleocene of Alberta, Canada".
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Table adapted from Pigg and Stockey (1991) with updates from Huegle and Correa Narvaez (2023)
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with its often greater number of lobes and narrower angle between adjacent primary veins.
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suggests that the Clarno Plane was tolerant of full sunlight and poorly developed soils.
1753: 1517: 1363: 1255: 1189: 298: 154: 32: 2163: 1761: 1508: 1213: 1199: 372: 67: 2019: 1884:"Report on the fossil plants of the auriferous gravel deposits of the Sierra Nevada" 1825: 1709: 1618: 456: 430: 226: 2078: 2087: 1402: 1161: 376: 335: 293: 266: 200: 42: 36: 1817: 1217: 87: 52: 2010: 1993: 2146: 1900: 1883: 1489: 1341: 1336:(shield-like) connectives cover the tops of anthers, but the connectives of 1239: 434: 270: 190: 92: 2036: 1994:"Revision of the Mexican and Guatemalan species of Platanus (Platanaceae)" 2141: 2072: 1485: 1251: 933: 471: 447: 355: 180: 82: 77: 62: 57: 47: 1974: 1957: 1456:
The "Joffre Plane" as a whole plant reconstruction includes leaves from
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leaves are readily recognizable by their three to nine, equally spaced,
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wood is similar, but has wider rays and more scalariform (ladder-like)
1333: 311: 97: 72: 1617: 1262:. Modern carpel numbers are more variable than the consistent five of 1135: 680: 1918:
Huegele, I. B.; Correa Narvaez, J. E. (2023). "Revisiting the iconic
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different species names are often used to refer to different organs
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Because paleobotanical material is often found in disarticulation,
1527: 1268: 394: 262: 141: 1515:. They also have been found several times in co-occurrence with 1179: 1169: 442: 438: 421:, a type of venation wherein primary veins fork multiple times. 418: 399: 330:, who was the first person to suggest the close relationship of 282: 2053: 1888:
Memoirs of the Museum of Comparative Zoölogy at Harvard College
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clusters). The Clarno Plane is known from the west coast of
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floras. The Clarno Plane is thought to have occupied open,
429:
base, which in modern counterparts encloses the underlying
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has been found in various stages of development from the
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are 4 to 5 times the length of the modern. Stamens are
1552:(cat-like creodont, the size of a modern panther); 5. 1460:, pistillate inflorescences and infructescences from 2062: 1434:were later considered too minor to justify placing 1503:has been known to be the dominant element in many 1418:was established as a species intermediate between 349:MacGinitie noticed that the venation patterns of 1246:. However, in striking contrast to the modern, 1300:appears to be smaller than pollen from modern 1913: 1911: 1536:by Larry Felder. Key to illustrated taxa: 1. 463:species, but can sometimes have minor teeth. 451:are usually straight, the secondary veins of 8: 326:was named after the prominent paleobotanist 1576:(pine tree); 11. not labeled in mural; 12. 342:were originally classified under the genus 2050: 1956:Wheeler, E. A.; Manchester, S. R. (2014). 1492:leaves to mature, true, trilobate leaves. 108: 20: 2009: 1973: 1899: 1438:in a different genus, particularly since 1216:across several states, including central 1348:species. Stamen bundles associated with 1924:International Journal of Plant Sciences 1632: 1987: 1985: 1951: 1949: 1947: 1945: 1943: 1941: 1742:Review of Palaeobotany and Palynology 1683: 1681: 1679: 1677: 1675: 7: 1868: 1866: 1864: 1862: 1799: 1797: 1795: 1793: 1791: 1777: 1775: 1773: 1771: 1735: 1733: 1731: 1729: 1727: 1725: 1723: 1721: 1719: 1673: 1671: 1669: 1667: 1665: 1663: 1661: 1659: 1657: 1655: 1277:from the Clarno Formation of Oregon. 433:for the next year, indicating their 1992:Nixon, K. C.; Poole, J. M. (2003). 1521:-like plants. The association with 419:palinactinodromous primary venation 1464:, and staminate inflorescences of 1414:The Paleocene fossil leaf species 641:Republic Washington, Western U.S. 14: 1532:Artist's depiction of the Eocene 273:of North America, known from the 2035: 1584:cf. (freshwater catfishes); 14. 1308:is also distinctive from extant 128: 1426:. However, differences between 1320:tissue that cover or divide an 353:more closely resembled that of 2190:Eocene genus first appearances 2175:Eocene plants of North America 1580:sp. (3 m long crocodile); 13. 1352:have been put under the genus 1254:and fruits lack the prominent 1250:flowers have a well-developed 1: 1366:than that of recent species. 1258:characteristic of the modern 271:Late Paleocene to Late Eocene 1762:10.1016/0034-6667(91)90082-e 1511:, similar to that of modern 486:leaves have been described. 2185:Paleogene geology of Oregon 1612:(cicada on grapevine); 20. 1266:ranging from four to nine. 1151:Whole plant reconstructions 1062:Palinactinodromous, 15-30° 638:Klondike Mountain Formation 369:Platanophyllum angustiloba. 2216: 1841:Canadian Journal of Botany 1312:for the elongation of its 459:are usually entire in all 413:. Like other Platanaceae, 1818:10.1134/s0031030108120034 1588:(1.25m brontothere); 15. 1446:inflorescences. As such, 1042:Chalk Bluffs, California 532:Clarno Formation, Oregon 437:nature. The branching of 245: 240: 232: 225: 125:Scientific classification 123: 116: 107: 23: 2011:10.25224/1097-993X-6.1.4 1568:(flowering dogwood); 9. 1472:is set apart from other 1462:Macginicarpa manchesteri 1205:Macginistemon mikanoides 1200:staminate inflorescences 507:angle between primaries 1901:10.5962/bhl.title.15853 1882:Lesquereux, L. (1878). 1806:Paleontological Journal 1600:('running rhino'); 18. 1548:(extinct fan palm); 4. 1166:Macginitiea angustiloba 220:Wolfe & Wehr (1987) 1624: 1622: 1306:Platananthus synandrus 1283:Platananthus synandrus 1278: 1195:Platananthus synandrus 1140: 894:Basally actinodromous 760:Tkaprovayam Formations 685: 403: 16:Extinct genus of trees 1621: 1596:(magnolia tree); 17. 1531: 1466:Platananthus speirsae 1272: 1238:has clusters of five 1139: 1094:Green River Formation 1057:very shallow, 25-35% 684: 478:Different species of 425:also has an inflated 398: 379:found that the genus 2180:Eocene United States 2046:at Wikimedia Commons 1452:Macginitiea nobilis. 1442:was associated with 1275:Plataninium haydenii 1175:Plataninium haydenii 818:, South Dakota, USA 816:Fort Union Formation 584:Fort Union Formation 469:differs from modern 338:. Though fossils of 318:Discovery and naming 234:Macginitiea gracilis 118:Macginitiea gracilis 1975:10.5070/P9303022471 1754:1991RPaPa..70..125P 1604:(laurel tree); 19. 1544:(banana plant); 3. 1470:Macginitiea nobilis 1458:Macginitiea nobilis 1281:Staminate flowers ( 1185:Macginicarpa glabra 960:yes, some compound 646:Paleocene - Eocene 363:, and reclassified 2195:Eocene extinctions 1625: 1623: 1560:(early horse); 7. 1450:was reassigned to 1279: 1141: 989:, New Mexico, USA 987:San Jose Formation 872:, Alberta, Canada 870:Paskapoo Formation 686: 404: 400:Palinactinodromous 387:for these leaves. 365:Aralia angustiloba 351:Aralia angustiloba 2157: 2156: 2129:Open Tree of Life 2056:Taxon identifiers 2040:Media related to 1812:(12): 1393–1404. 1690:Botanical Gazette 1509:riparian habitats 1145: 1144: 982:Fayette Sandstone 926:Aycross Formation 504:Depth of sinuses 402:primary venation. 269:ranging from the 254: 253: 221: 2207: 2200:Clarno Formation 2150: 2149: 2137: 2136: 2124: 2123: 2111: 2110: 2098: 2097: 2096: 2083: 2082: 2081: 2051: 2039: 2024: 2023: 2013: 1989: 1980: 1979: 1977: 1953: 1936: 1935: 1915: 1906: 1905: 1903: 1879: 1873: 1870: 1857: 1856: 1836: 1830: 1829: 1801: 1786: 1779: 1766: 1765: 1748:(1–2): 125–146. 1737: 1714: 1713: 1685: 1650: 1649: 1637: 1592:(chestnut); 16. 1416:Platanus nobilis 1410:The Joffre Plane 1397:Platanus nobilis 1391:Platanus neptuni 1373:Platimeliphyllum 1316:, extensions of 1231:Like the modern 1156:The Clarno Plane 501:Number of lobes 489: 328:Harry MacGinitie 275:Clarno Formation 219: 212: 133: 132: 112: 102: 39: 29:Temporal range: 21: 2215: 2214: 2210: 2209: 2208: 2206: 2205: 2204: 2160: 2159: 2158: 2153: 2145: 2140: 2132: 2127: 2119: 2114: 2106: 2101: 2092: 2091: 2086: 2077: 2076: 2071: 2058: 2032: 2027: 1991: 1990: 1983: 1955: 1954: 1939: 1917: 1916: 1909: 1881: 1880: 1876: 1871: 1860: 1853:10.1139/b85-041 1838: 1837: 1833: 1803: 1802: 1789: 1780: 1769: 1739: 1738: 1717: 1687: 1686: 1653: 1639: 1638: 1634: 1630: 1572:(walnuts); 10. 1556:(sycamore); 6. 1534:Clarno Nut Beds 1498: 1484:locality, from 1412: 1379:Ettingshausenia 1256:dispersal hairs 1224:, and northern 1190:infructescences 1158: 1153: 1096:, Western U.S. 1087:M. wyomingensis 985: 928:, Wyoming, USA 893: 640: 513:Marginal teeth 443:secondary veins 393: 320: 312:Alberta, Canada 236: 218: 210: 127: 103: 101: 100: 95: 90: 85: 80: 75: 70: 65: 60: 55: 50: 45: 31: 30: 27: 17: 12: 11: 5: 2213: 2211: 2203: 2202: 2197: 2192: 2187: 2182: 2177: 2172: 2162: 2161: 2155: 2154: 2152: 2151: 2138: 2125: 2112: 2099: 2084: 2068: 2066: 2060: 2059: 2054: 2048: 2047: 2031: 2030:External links 2028: 2026: 2025: 1981: 1937: 1932:10.1086/728411 1907: 1874: 1858: 1847:(2): 340–364. 1831: 1787: 1767: 1715: 1702:10.1086/337587 1696:(2): 200–226. 1651: 1642:Oregon Geology 1631: 1629: 1626: 1616:(aguacatillo). 1578:Pristichampsus 1538:Cercidiphyllum 1523:Cercidiphyllum 1518:Cercidiphyllum 1497: 1494: 1411: 1408: 1328:and in modern 1273:Photograph of 1162:fossil species 1157: 1154: 1152: 1149: 1143: 1142: 1133: 1128: 1123: 1118: 1113: 1108: 1103: 1098: 1090: 1082: 1081: 1079: 1074: 1069: 1064: 1059: 1054: 1049: 1044: 1039: 1031: 1030: 1028: 1023: 1018: 1013: 1008: 1003: 998: 991: 978: 970: 969: 967: 962: 957: 952: 947: 942: 937: 930: 922: 914: 913: 911: 906: 901: 896: 889: 884: 879: 874: 866: 858: 857: 855: 850: 845: 840: 835: 830: 825: 820: 812: 804: 803: 801: 796: 791: 786: 781: 776: 771: 764: 752: 744: 743: 741: 736: 731: 726: 721: 716: 711: 704: 696: 693:M. grandifolia 688: 687: 678: 673: 668: 663: 658: 653: 648: 643: 634: 626: 625: 623: 618: 613: 608: 603: 598: 593: 588: 580: 572: 571: 569: 564: 559: 554: 549: 544: 539: 534: 529: 526:M. angustiloba 521: 520: 517: 514: 511: 508: 505: 502: 499: 496: 493: 392: 389: 381:Platanophyllum 334:to the family 319: 316: 299:Cercidiphyllum 265:in the family 261:is an extinct 252: 251: 250: 249: 243: 242: 238: 237: 230: 229: 223: 222: 208: 204: 203: 198: 194: 193: 188: 184: 183: 178: 171: 170: 165: 158: 157: 152: 145: 144: 139: 135: 134: 121: 120: 114: 113: 105: 104: 96: 91: 86: 81: 76: 71: 66: 61: 56: 51: 46: 41: 40: 33:Late Paleocene 28: 15: 13: 10: 9: 6: 4: 3: 2: 2212: 2201: 2198: 2196: 2193: 2191: 2188: 2186: 2183: 2181: 2178: 2176: 2173: 2171: 2168: 2167: 2165: 2148: 2143: 2139: 2135: 2130: 2126: 2122: 2117: 2113: 2109: 2104: 2100: 2095: 2089: 2085: 2080: 2074: 2070: 2069: 2067: 2065: 2061: 2057: 2052: 2045: 2044: 2038: 2034: 2033: 2029: 2021: 2017: 2012: 2007: 2003: 1999: 1995: 1988: 1986: 1982: 1976: 1971: 1967: 1963: 1959: 1952: 1950: 1948: 1946: 1944: 1942: 1938: 1933: 1929: 1925: 1921: 1914: 1912: 1908: 1902: 1897: 1893: 1889: 1885: 1878: 1875: 1869: 1867: 1865: 1863: 1859: 1854: 1850: 1846: 1842: 1835: 1832: 1827: 1823: 1819: 1815: 1811: 1807: 1800: 1798: 1796: 1794: 1792: 1788: 1784: 1778: 1776: 1774: 1772: 1768: 1763: 1759: 1755: 1751: 1747: 1743: 1736: 1734: 1732: 1730: 1728: 1726: 1724: 1722: 1720: 1716: 1711: 1707: 1703: 1699: 1695: 1691: 1684: 1682: 1680: 1678: 1676: 1674: 1672: 1670: 1668: 1666: 1664: 1662: 1660: 1658: 1656: 1652: 1647: 1643: 1636: 1633: 1627: 1620: 1615: 1611: 1607: 1603: 1599: 1595: 1591: 1587: 1583: 1579: 1575: 1571: 1567: 1563: 1559: 1555: 1551: 1547: 1543: 1539: 1535: 1530: 1526: 1524: 1520: 1519: 1514: 1510: 1506: 1502: 1495: 1493: 1491: 1487: 1483: 1482:Joffre Bridge 1479: 1475: 1471: 1467: 1463: 1459: 1454: 1453: 1449: 1445: 1441: 1437: 1433: 1429: 1425: 1421: 1417: 1409: 1407: 1405: 1404: 1399: 1398: 1393: 1392: 1387: 1386: 1381: 1380: 1375: 1374: 1367: 1365: 1361: 1357: 1355: 1354:Macginistemon 1351: 1347: 1343: 1339: 1335: 1331: 1327: 1323: 1319: 1315: 1311: 1307: 1303: 1299: 1296: 1292: 1288: 1284: 1276: 1271: 1267: 1265: 1264:Macginicarpa, 1261: 1257: 1253: 1249: 1245: 1241: 1237: 1234: 1229: 1227: 1223: 1219: 1215: 1214:North America 1211: 1207: 1206: 1201: 1197: 1196: 1191: 1187: 1186: 1181: 1177: 1176: 1171: 1167: 1163: 1155: 1150: 1148: 1138: 1134: 1132: 1129: 1127: 1126:yes compound 1124: 1122: 1119: 1117: 1114: 1112: 1109: 1107: 1104: 1102: 1099: 1097: 1095: 1091: 1089: 1088: 1084: 1083: 1080: 1078: 1075: 1073: 1070: 1068: 1065: 1063: 1060: 1058: 1055: 1053: 1050: 1048: 1045: 1043: 1040: 1038: 1037: 1033: 1032: 1029: 1027: 1024: 1022: 1019: 1017: 1014: 1012: 1009: 1007: 1004: 1002: 999: 997: 996: 992: 990: 988: 983: 979: 977: 976: 972: 971: 968: 966: 963: 961: 958: 956: 953: 951: 948: 946: 943: 941: 938: 936: 935: 931: 929: 927: 923: 921: 920: 916: 915: 912: 910: 907: 905: 902: 900: 897: 895: 890: 888: 885: 883: 880: 878: 875: 873: 871: 867: 865: 864: 860: 859: 856: 854: 851: 849: 846: 844: 841: 839: 836: 834: 831: 829: 826: 824: 821: 819: 817: 813: 811: 810: 806: 805: 802: 800: 797: 795: 792: 790: 787: 785: 782: 780: 777: 775: 772: 770: 769: 765: 763: 761: 757: 753: 751: 750: 746: 745: 742: 740: 737: 735: 732: 730: 727: 725: 722: 720: 717: 715: 712: 710: 709: 705: 703: 701: 700:Kinkil Series 697: 695: 694: 690: 689: 683: 679: 677: 674: 672: 669: 667: 664: 662: 659: 657: 654: 652: 649: 647: 644: 642: 639: 635: 633: 632: 628: 627: 624: 622: 619: 617: 614: 612: 609: 607: 604: 602: 599: 597: 594: 592: 589: 587: 585: 581: 579: 578: 577:M. basilobata 574: 573: 570: 568: 565: 563: 560: 558: 555: 553: 550: 548: 545: 543: 540: 538: 535: 533: 530: 528: 527: 523: 522: 518: 515: 512: 509: 506: 503: 500: 497: 494: 491: 490: 487: 485: 481: 476: 474: 473: 468: 464: 462: 458: 454: 450: 449: 444: 440: 439:primary veins 436: 432: 431:axillary buds 428: 424: 420: 416: 412: 411:palmate lobes 408: 401: 397: 390: 388: 386: 382: 378: 374: 370: 366: 362: 358: 357: 352: 348: 346: 341: 337: 333: 329: 325: 317: 315: 313: 309: 308:Joffre Bridge 305: 301: 300: 295: 290: 288: 284: 280: 276: 272: 268: 264: 260: 259: 247: 246: 244: 239: 235: 231: 228: 224: 217: 216: 209: 206: 205: 202: 199: 196: 195: 192: 189: 186: 185: 182: 179: 176: 173: 172: 169: 166: 163: 160: 159: 156: 155:Tracheophytes 153: 150: 147: 146: 143: 140: 137: 136: 131: 126: 122: 119: 115: 111: 106: 99: 94: 89: 84: 79: 74: 69: 64: 59: 54: 49: 44: 38: 34: 26: 22: 19: 2063: 2042: 2001: 1997: 1965: 1961: 1923: 1919: 1891: 1887: 1877: 1844: 1840: 1834: 1809: 1805: 1782: 1745: 1741: 1693: 1689: 1645: 1641: 1635: 1613: 1609: 1605: 1601: 1597: 1593: 1589: 1586:Telmatherium 1585: 1581: 1577: 1573: 1569: 1565: 1564:(cycad); 8. 1561: 1557: 1554:Macginicarpa 1553: 1549: 1545: 1541: 1537: 1522: 1516: 1512: 1500: 1499: 1490:cotyledonous 1477: 1473: 1469: 1465: 1461: 1457: 1455: 1451: 1447: 1444:Macginicarpa 1443: 1439: 1435: 1431: 1427: 1423: 1419: 1415: 1413: 1401: 1395: 1389: 1383: 1377: 1371: 1368: 1364:perforations 1359: 1358: 1353: 1349: 1345: 1338:Platananthus 1337: 1329: 1326:Platananthus 1325: 1309: 1305: 1301: 1295:P. synandrus 1294: 1282: 1280: 1274: 1263: 1259: 1248:Macginicarpa 1247: 1236:Macginicarpa 1235: 1232: 1230: 1203: 1193: 1183: 1173: 1165: 1159: 1146: 1130: 1125: 1120: 1115: 1110: 1105: 1100: 1092: 1086: 1085: 1076: 1071: 1067:Entire leaf 1066: 1061: 1056: 1051: 1046: 1041: 1035: 1034: 1025: 1020: 1015: 1010: 1005: 1000: 993: 984:, Texas, USA 980: 974: 973: 964: 959: 954: 949: 944: 939: 932: 924: 918: 917: 908: 903: 898: 891: 886: 881: 876: 868: 862: 861: 852: 847: 842: 837: 832: 827: 822: 814: 808: 807: 798: 793: 788: 783: 778: 773: 766: 754: 748: 747: 738: 733: 728: 723: 718: 713: 706: 698: 692: 691: 675: 670: 665: 660: 655: 650: 645: 636: 630: 629: 620: 615: 610: 605: 600: 595: 590: 582: 576: 575: 566: 561: 557:Entire leaf 556: 551: 546: 541: 536: 531: 525: 524: 516:Basal lobes 483: 479: 477: 470: 466: 465: 460: 452: 446: 422: 414: 406: 405: 384: 380: 368: 364: 360: 359:rather than 354: 350: 343: 339: 331: 323: 321: 310:locality of 303: 297: 291: 286: 257: 256: 255: 233: 227:Type species 214: 213: 174: 161: 148: 117: 24: 18: 2170:Platanaceae 2094:Macginitiea 2088:Wikispecies 2064:Macginitiea 2043:Macginitiea 2004:: 103–137. 1920:Macginitiea 1648:(3): 51–59. 1550:Patriofelis 1540:(tree); 2. 1501:Macginitiea 1474:Macginitiea 1432:Macginitiea 1422:and modern 1420:Macginitiea 1403:Sapindopsis 1360:Plataninium 1350:Macginitiea 1314:connectives 1077:occasional 1036:M. whitneyi 909:occasional 887:around 30% 749:M. latiloba 631:M. gracilis 601:Approx 38% 510:Chevroning 484:Macginitiea 480:Macginitiea 467:Macginitiea 461:Macginitiea 453:Macginitiea 423:Macginitiea 415:Macginitiea 407:Macginitiea 391:Description 385:Macginitiea 377:Wesley Wehr 340:Macginitiea 336:Platanaceae 332:Macginitiea 324:Macginitiea 287:Macginitiea 277:of central 267:Platanaceae 258:Macginitiea 215:Macginitiea 201:Platanaceae 168:Angiosperms 37:Late Eocene 25:Macginitiea 2164:Categories 1785:, 171-185. 1628:References 1478:M. nobilis 1448:P. nobilis 1440:P. nobilis 1436:P. nobilis 1428:P. nobilis 1385:Evaphyllum 1226:Washington 1218:California 1208:(isolated 1052:5-7 (7-9) 877:Paleocene 863:M. nobilis 843:Basal (?) 823:Paleocene 809:M. nascens 591:Paleocene 586:, Montana 445:of modern 373:Jack Wolfe 322:The genus 2147:100382642 2079:Q21396968 1998:Lundellia 1962:PaleoBios 1606:Cicadidae 1602:Lauraceae 1598:Hyrachyus 1582:Ictalurus 1558:Orohippus 1546:Sabalites 1486:seedlings 1233:Platanus, 1101:Ypresian 1047:Ypresian 1026:Frequent 975:M. rileyi 965:Frequent 919:M. rannii 789:Basal(?) 762:, Russia 702:, Russia 621:Frequent 567:Uncommon 552:~15-40° 495:Locality 435:deciduous 306:from the 191:Proteales 138:Kingdom: 2142:Tropicos 2073:Wikidata 2020:90869751 1826:84372555 1710:83715341 1614:Meliosma 1594:Magnolia 1590:Castanea 1513:Platanus 1424:Platanus 1346:Platanus 1330:Platanus 1318:filament 1310:Platanus 1302:Platanus 1260:Platanus 1252:perianth 1011:~35-40° 950:~45-75° 934:Ypresian 838:~20-40° 794:present 784:~20-40° 661:~15-30° 656:~30-45% 606:~30-50° 542:5-7(-9) 492:Species 472:Platanus 448:Platanus 356:Platanus 248:See text 241:Species 197:Family: 181:Eudicots 2134:4724060 2121:1089568 2108:4924489 1750:Bibcode 1570:Juglans 1496:Ecology 1342:connate 1334:peltate 1287:stamens 1240:carpels 1202:), and 1131:Absent 1121:Entire 1116:15-30° 1072:Absent 945:45-65% 853:Absent 756:Kamchik 729:basal? 666:entire 562:Rarely 547:40-70% 537:Eocene 457:Margins 427:petiole 371:Later, 304:Joffrea 207:Genus: 187:Order: 142:Plantae 2018:  1824:  1708:  1566:Cornus 1542:Ensete 1505:Eocene 1400:, and 1322:anther 1298:pollen 1291:floret 1244:floret 1222:Oregon 1210:stamen 1170:leaves 995:Eocene 955:Basal 899:basal 892:30-35° 768:Eocene 758:& 708:Eocene 611:Basal 519:Image 361:Aralia 345:Aralia 302:-like 283:leaves 279:Oregon 2116:IRMNG 2016:S2CID 1968:(3). 1894:(2). 1822:S2CID 1706:S2CID 1610:Vitis 1574:Pinus 1562:Dioon 1488:with 1324:. In 1111:~36% 1021:rare 1006:~30% 799:none 719:50%? 676:Rare 671:none 616:none 263:genus 175:Clade 162:Clade 149:Clade 2103:GBIF 1430:and 1289:per 1242:per 1180:wood 1016:(?) 1001:5-7 940:3-5 904:yes 848:yes 734:yes 724:40° 651:3-5 498:Age 417:has 375:and 43:PreꞒ 2006:doi 1970:doi 1928:doi 1896:doi 1849:doi 1814:doi 1758:doi 1698:doi 1694:147 1608:on 1192:), 1182:), 1172:), 367:as 2166:: 2144:: 2131:: 2118:: 2105:: 2090:: 2075:: 2014:. 2000:. 1996:. 1984:^ 1966:30 1964:. 1960:. 1940:^ 1926:. 1910:^ 1890:. 1886:. 1861:^ 1845:63 1843:. 1820:. 1810:42 1808:. 1790:^ 1770:^ 1756:. 1746:70 1744:. 1718:^ 1704:. 1692:. 1654:^ 1646:58 1644:. 1468:. 1406:. 1394:, 1388:, 1382:, 1376:, 1356:. 1332:, 1304:. 1293:. 1228:. 1220:, 1164:: 1106:5 882:3 833:? 828:3 779:? 774:3 739:? 714:5 596:3 314:. 177:: 164:: 151:: 93:Pg 2022:. 2008:: 2002:6 1978:. 1972:: 1934:. 1930:: 1904:. 1898:: 1892:6 1855:. 1851:: 1828:. 1816:: 1764:. 1760:: 1752:: 1712:. 1700:: 1198:( 1188:( 1178:( 1168:( 347:, 211:† 98:N 88:K 83:J 78:T 73:P 68:C 63:D 58:S 53:O 48:Ꞓ 35:–

Index

Late Paleocene
Late Eocene
PreꞒ

O
S
D
C
P
T
J
K
Pg
N

Scientific classification
Edit this classification
Plantae
Tracheophytes
Angiosperms
Eudicots
Proteales
Platanaceae
Macginitiea
Type species
genus
Platanaceae
Late Paleocene to Late Eocene
Clarno Formation
Oregon

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