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Banksia paleocrypta

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is known from fossilized leaves that are thick and regularly serrated with prominent veins. It is believed to have occupied sunny but very infertile areas among other
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is of special interest because it is dated 25 million years prior to the widely accepted timing for the onset of aridity that expanded globally during the
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De Souza Cortez, Maria Beatriz; Folk, Ryan A; Grady, Charles J; Spoelhof, Jonathan P; Smith, Stephen A; Soltis, Douglas E; Soltis, Pamela S (2020-11-06).
461: 408:"Is the age of plant communities predicted by the age, stability and soil composition of the underlying landscapes? An investigation of OCBILs" 451: 456: 382: 466: 234:
The specific name 'paleocrypta' was given in recognition of the fossilized leaves having stomatal pits, also known as crypts.
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which are adapted to survive in environments with very little water. These traits slow water loss in arid climates. However
358: 191: 36: 257: 141: 31: 427: 340: 332: 283: 277: 307:"Early evidence of xeromorphy in angiosperms: Stomatal encryption in a new eocene species of 471: 419: 322: 305:
Carpenter, R. J.; McLoughlin, S.; Hill, R. S.; McNamara, K. J.; Jordan, G. J. (2014-09-01).
195: 74: 383:"Western Australian Fossil Plants and Climate – Wildflower Society of Western Australia" 288:, however the clade of these two species has an estimated age of only 2 million years. 61: 445: 359:"Fossil Plants of the Darling Range and Beyond | Western Australian Naturalists Club" 423: 407: 246: 183: 173: 107: 431: 336: 261: 215: 97: 344: 306: 211: 187: 87: 327: 223: 178: 117: 199: 207: 48: 268:
split during the Middle Eocene, over 40 million years ago.
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regions of southwestern Australia dating to the Late
202:. This species is the oldest fossil in the genus 8: 20: 412:Biological Journal of the Linnean Society 326: 297: 7: 311:(Proteaceae) from Western Australia" 16:Extinct species of flowering plant 14: 35: 260:analysis suggests that the two 387:www.wildflowersocietywa.org.au 1: 462:Fossil taxa described in 2014 186:. The species is known from 488: 452:Extinct flora of Australia 424:10.1093/biolinnean/blaa174 315:American Journal of Botany 457:Paleontology in Australia 147: 140: 32:Scientific classification 30: 23: 467:Plants described in 2014 363:www.wanaturalists.org.au 272:is similar to two other 258:Molecular phylogenetic 214:, characteristics of 328:10.3732/ajb.1400191 270:Banksia paleocrypta 243:Banksia paleocrypta 220:Banksia paleocrypta 169:Banksia paleocrypta 154:Banksia paleocrypta 133:B. paleocrypta 25:Banksia paleocrypta 190:deposits from the 160:R. Carpenter, 2014 206:with evidence of 165: 164: 479: 436: 435: 403: 397: 396: 394: 393: 379: 373: 372: 370: 369: 355: 349: 348: 330: 321:(9): 1486–1497. 302: 156: 152: 40: 39: 21: 487: 486: 482: 481: 480: 478: 477: 476: 442: 441: 440: 439: 405: 404: 400: 391: 389: 381: 380: 376: 367: 365: 357: 356: 352: 304: 303: 299: 294: 255: 240: 232: 161: 158: 150: 149: 136: 34: 17: 12: 11: 5: 485: 483: 475: 474: 469: 464: 459: 454: 444: 443: 438: 437: 418:(2): 297–316. 398: 374: 350: 296: 295: 293: 290: 254: 253:Classification 251: 247:sclerophyllous 239: 236: 231: 228: 182:in the family 163: 162: 159: 145: 144: 138: 137: 129: 127: 123: 122: 115: 111: 110: 105: 101: 100: 95: 91: 90: 85: 78: 77: 72: 65: 64: 59: 52: 51: 46: 42: 41: 28: 27: 15: 13: 10: 9: 6: 4: 3: 2: 484: 473: 470: 468: 465: 463: 460: 458: 455: 453: 450: 449: 447: 433: 429: 425: 421: 417: 413: 409: 402: 399: 388: 384: 378: 375: 364: 360: 354: 351: 346: 342: 338: 334: 329: 324: 320: 316: 312: 310: 301: 298: 291: 289: 287: 286: 281: 280: 275: 271: 267: 263: 259: 252: 250: 248: 244: 237: 235: 229: 227: 225: 221: 217: 213: 209: 205: 201: 197: 193: 189: 185: 181: 180: 175: 171: 170: 157: 155: 146: 143: 142:Binomial name 139: 135: 134: 128: 125: 124: 121: 120: 116: 113: 112: 109: 106: 103: 102: 99: 96: 93: 92: 89: 86: 83: 80: 79: 76: 73: 70: 67: 66: 63: 62:Tracheophytes 60: 57: 54: 53: 50: 47: 44: 43: 38: 33: 29: 26: 22: 19: 415: 411: 401: 390:. Retrieved 386: 377: 366:. Retrieved 362: 353: 318: 314: 308: 300: 285:B. burdettii 284: 279:B. menziesii 278: 273: 269: 265: 256: 242: 241: 233: 219: 203: 177: 168: 167: 166: 153: 148: 132: 131: 118: 81: 68: 55: 24: 18: 238:Description 176:species of 75:Angiosperms 446:Categories 392:2022-05-06 368:2022-05-06 292:References 216:xerophytes 184:Proteaceae 108:Proteaceae 432:0024-4066 337:0002-9122 276:species, 262:subgenera 230:Etymology 212:trichomes 188:silcretes 126:Species: 98:Proteales 45:Kingdom: 345:25253709 192:Walebing 104:Family: 88:Eudicots 472:Banksia 309:Banksia 274:Banksia 266:Banksia 249:plants 224:Neogene 208:stomata 204:Banksia 196:Kojonup 179:Banksia 174:extinct 151:† 130:† 119:Banksia 114:Genus: 94:Order: 49:Plantae 430:  343:  335:  200:Eocene 172:is an 82:Clade 69:Clade 56:Clade 428:ISSN 341:PMID 333:ISSN 282:and 210:and 194:and 420:doi 416:133 323:doi 319:101 264:of 448:: 426:. 414:. 410:. 385:. 361:. 339:. 331:. 317:. 313:. 226:. 84:: 71:: 58:: 434:. 422:: 395:. 371:. 347:. 325::

Index

Scientific classification
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Plantae
Tracheophytes
Angiosperms
Eudicots
Proteales
Proteaceae
Banksia
Binomial name
extinct
Banksia
Proteaceae
silcretes
Walebing
Kojonup
Eocene
stomata
trichomes
xerophytes
Neogene
sclerophyllous
Molecular phylogenetic
subgenera
B. menziesii
B. burdettii
"Early evidence of xeromorphy in angiosperms: Stomatal encryption in a new eocene species of Banksia (Proteaceae) from Western Australia"
doi
10.3732/ajb.1400191
ISSN

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