Foreword:

Judy Jernstedt

Foreword from the Editor-in-Chief¹
Am. J. Bot. 2009 96: 1-2. [Full Text] [PDF]  

Introduction:

Ruth A. Stockey, Sean W. Graham, and Peter R. Crane

Introduction to the Darwin special issue: The abominable mystery¹
Am. J. Bot. 2009 96: 3-4. [Full Text] [PDF]  

Special Invited Papers:

William E. Friedman

The meaning of Darwin’s 'abominable mystery'
Am. J. Bot. 2009 96: 5-21. Published online December 11, 2008; doi:10.3732/ajb.0800150 [Abstract] [Full Text] [PDF]  

Peter K. Endress and James A. Doyle

Reconstructing the ancestral angiosperm flower and its initial specializations
Am. J. Bot. 2009 96: 22-66. [Abstract] [Full Text] [PDF]  

Paula J. Rudall, Margarita V. Remizowa, Gerhard Prenner, Christina J. Prychid, Renee E. Tuckett, and Dmitry D. Sokoloff

Nonflowers near the base of extant angiosperms? Spatiotemporal arrangement of organs in reproductive units of Hydatellaceae and its bearing on the origin of the flower
Am. J. Bot. 2009 96: 67-82. Published online December 11, 2008; doi:10.3732/ajb.0800027 [Abstract] [Full Text] [PDF]  

Lena C. Hileman and Vivian F. Irish

More is better: the uses of developmental genetic data to reconstruct perianth evolution
Am. J. Bot. 2009 96: 83-95. Published online December 11, 2008; doi:10.3732/ajb.0800066 [Abstract] [Full Text] [PDF]  

David A. Rasmussen, Elena M. Kramer, and Elizabeth A. Zimmer

One size fits all? Molecular evidence for a commonly inherited petal identity program in Ranunculales
Am. J. Bot. 2009 96: 96-109. Published online December 19, 2008; doi:10.3732/ajb.0800038 [Abstract] [Full Text] [PDF] [Supplementary Data]  

Pamela S. Soltis, Samuel F. Brockington, Mi-Jeong Yoo, Ana Piedrahita, Maribeth Latvis, Michael J. Moore, Andre S. Chanderbali, and Douglas E. Soltis

Floral variation and floral genetics in basal angiosperms
Am. J. Bot. 2009 96: 110-128. [Abstract] [Full Text] [PDF]  

William E. Friedman and Kirsten C. Ryerson

Reconstructing the ancestral female gametophyte of angiosperms: Insights from Amborella and other ancient lineages of flowering plants
Am. J. Bot. 2009 96: 129-143. Published online December 24, 2008; doi:10.3732/ajb.0800311 [Abstract] [Full Text] [PDF]  

Joseph H. Williams

Amborella trichopoda (Amborellaceae) and the evolutionary developmental origins of the angiosperm progamic phase
Am. J. Bot. 2009 96: 144-165. Published online December 19, 2008; doi:10.3732/ajb.0800070 [Abstract] [Full Text] [PDF]  

Leonard B. Thien, Peter Bernhardt, Margaret S. Devall, Zhi-duan Chen, Yi-bo Luo, Jian-Hua Fan, Liang-Chen Yuan, and Joseph H. Williams

Pollination biology of basal angiosperms (ANITA grade)
Am. J. Bot. 2009 96: 166-182. Published online December 11, 2008; doi:10.3732/ajb.0800016 [Abstract] [Full Text] [PDF]  

Tammy L. Sage, Katerina Hristova-Sarkovski, Veronica Koehl, Joelle Lyew, Vincenza Pontieri, Peter Bernhardt, Peter Weston, Shaheen Bagha, and Greta Chiu

Transmitting tissue architecture in basal-relictual angiosperms: Implications for transmitting tissue origins
Am. J. Bot. 2009 96: 183-206. [Abstract] [Full Text] [PDF]  

Sherwin Carlquist, Edward L. Schneider, and C. Barre Hellquist

Xylem of early angiosperms: Nuphar (Nymphaeaceae) has novel tracheid microstructure¹
Am. J. Bot. 2009 96: 207-215. Published online December 11, 2008; doi:10.3732/ajb.0800348 [Abstract] [Full Text] [PDF]  

Sean W. Graham and William J. D. Iles

Different gymnosperm outgroups have (mostly) congruent signal regarding the root of flowering plant phylogeny
Am. J. Bot. 2009 96: 216-227. Published online December 24, 2008; doi:10.3732/ajb.0800320 [Abstract] [Full Text] [PDF] [Supplementary Data]  

Sarah Mathews

Phylogenetic relationships among seed plants: Persistent questions and the limits of molecular data
Am. J. Bot. 2009 96: 228-236. Published online December 24, 2008; doi:10.3732/ajb.0800178 [Abstract] [Full Text] [PDF]  

Edith L. Taylor and Thomas N. Taylor

Seed ferns from the late Paleozoic and Mesozoic: Any angiosperm ancestors lurking there?
Am. J. Bot. 2009 96: 237-251. Published online December 19, 2008; doi:10.3732/ajb.0800202 [Abstract] [Full Text] [PDF]  

Else Marie Friis, Kaj Raunsgaard Pedersen, and Peter R. Crane

Early Cretaceous mesofossils from Portugal and eastern North America related to the Bennettitales-Erdtmanithecales-Gnetales group
Am. J. Bot. 2009 96: 252-283. [Abstract] [Full Text] [PDF]  

Peter R. Crane and Patrick S. Herendeen

Bennettitales from the Grisethorpe Bed (Middle Jurassic) at Cayton Bay, Yorkshire, UK
Am. J. Bot. 2009 96: 284-295. Published online December 24, 2008; doi:10.3732/ajb.0800193 [Abstract] [Full Text] [PDF]  

Gar W. Rothwell, William L. Crepet, and Ruth A. Stockey

Is the anthophyte hypothesis alive and well? New evidence from the reproductive structures of Bennettitales
Am. J. Bot. 2009 96: 296-322. [Abstract] [Full Text] [PDF] [Supplementary Data]  

Ruth A. Stockey and Gar W. Rothwell

Distinguishing angiophytes from the earliest angiosperms: A Lower Cretaceous (Valanginian-Hauterivian) fruit-like reproductive structure
Am. J. Bot. 2009 96: 323-335. [Abstract] [Full Text] [PDF] [Supplementary Data]  

Douglas E. Soltis, Victor A. Albert, Jim Leebens-Mack, Charles D. Bell, Andrew H. Paterson, Chunfang Zheng, David Sankoff, Claude W. dePamphilis, P. Kerr Wall, and Pamela S. Soltis

Polyploidy and angiosperm diversification
Am. J. Bot. 2009 96: 336-348. [Abstract] [Full Text] [PDF]  

Susana Magallón and Amanda Castillo

Angiosperm diversification through time
Am. J. Bot. 2009 96: 349-365. Published online December 11, 2008; doi:10.3732/ajb.0800060 [Abstract] [Full Text] [PDF] [Supplementary Data]  

William L. Crepet and Karl J. Niklas

Darwin’s second 'abominable mystery': Why are there so many angiosperm species?
Am. J. Bot. 2009 96: 366-381. Published online December 19, 2008; doi:10.3732/ajb.0800126 [Abstract] [Full Text] [PDF]  

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