Special Paper:

Li Li Ge, Hui Qiao Tian, and Scott D. Russell

Calcium function and distribution during fertilization in angiosperms
Am. J. Bot. 2007 94: 1046-1060. [Abstract] [Full Text] [PDF]  

Anatomy and Morphology:

Ann M. Patten, Michaël Jourdes, Elvie E. Brown, Marie-Pierre Laborie, Laurence B. Davin, and Norman G. Lewis

Reaction tissue formation and stem tensile modulus properties in wild-type and p-coumarate-3-hydroxylase downregulated lines of alfalfa, Medicago sativa (Fabaceae)
Am. J. Bot. 2007 94: 912-925. [Abstract] [Full Text] [PDF]  

Brief Communication:

Ed Etxeberria, Pedro Gonzalez, and Javier Pozueta-Romero

Mannitol-enhanced, fluid-phase endocytosis in storage parenchyma cells of celery (Apium graveolens; Apiaceae) petioles
Am. J. Bot. 2007 94: 1041-1045. [Abstract] [Full Text] [PDF]  

Ecology:

Christopher Baraloto and Pierre-Michel Forget

Seed size, seedling morphology, and response to deep shade and damage in neotropical rain forest trees
Am. J. Bot. 2007 94: 901-911. [Abstract] [Full Text] [PDF] [Supplementary Data]  

Genetics:

David J. Weston, William L. Bauerle, Ginger A. Swire-Clark, Brandon d. Moore, and Wm. Vance Baird

Characterization of Rubisco activase from thermally contrasting genotypes of Acer rubrum (Aceraceae)
Am. J. Bot. 2007 94: 926-934. [Abstract] [Full Text] [PDF]  

Carl M. Jones, Charles M. Rick, Dawn Adams, Judy Jernstedt, and Roger T. Chetelat

Genealogy and fine mapping of obscuravenosa, a gene affecting the distribution of chloroplasts in leaf veins, and evidence of selection during breeding of tomatoes (Lycopersicon esculentum; Solanaceae)
Am. J. Bot. 2007 94: 935-947. [Abstract] [Full Text] [PDF]  

Population Biology:

Melinda A. Gammon, Jonna L. Grimsby, Dina Tsirelson, and Rick Kesseli

Molecular and morphological evidence reveals introgression in swarms of the invasive taxa Fallopia japonica, F. sachalinensis, and F. xbohemica (Polygonaceae) in the United States
Am. J. Bot. 2007 94: 948-956. [Abstract] [Full Text] [PDF]  

Jonna L. Grimsby, Dina Tsirelson, Melinda A. Gammon, and Rick Kesseli

Genetic diversity and clonal vs. sexual reproduction in Fallopia spp. (Polygonaceae)
Am. J. Bot. 2007 94: 957-964. [Abstract] [Full Text] [PDF]  

Pteridology:

Jakob Schneller and Burgi Liebst

Patterns of variation of a common fern (Athyrium filix-femina; Woodsiaceae): population structure along and between altitudinal gradients
Am. J. Bot. 2007 94: 965-971. [Abstract] [Full Text] [PDF]  

Reproductive Biology:

Stephen G. Weller, César A. Domínguez, Francisco E. Molina-Freaner, Juan Fornoni, and Gretchen LeBuhn

The evolution of distyly from tristyly in populations of Oxalis alpina (Oxalidaceae) in the Sky Islands of the Sonoran Desert
Am. J. Bot. 2007 94: 972-985. [Abstract] [Full Text] [PDF]  

Luis G. Quintanilla, Lucía de Soto, Ares Jiménez, and Marcos Méndez

Do antheridiogens act via gametophyte size? A study of Woodwardia radicans (Blechnaceae)
Am. J. Bot. 2007 94: 986-990. [Abstract] [Full Text] [PDF] [Supplementary Data]  

Makiko Mimura and Sally N. Aitken

Increased selfing and decreased effective pollen donor number in peripheral relative to central populations in Picea sitchensis (Pinaceae)
Am. J. Bot. 2007 94: 991-998. [Abstract] [Full Text] [PDF]  

Karl J. Niklas and Thomas E. Marler

Carica papaya (Caricaceae): a case study into the effects of domestication on plant vegetative growth and reproduction
Am. J. Bot. 2007 94: 999-1002. [Abstract] [Full Text] [PDF]  

Systematics and Phytogeography:

Michael D. Pirie, Maria Paula Balcázar Vargas, Marleen Botermans, Freek T. Bakker, and Lars W. Chatrou

Ancient paralogy in the cpDNA trnL-F region in Annonaceae: implications for plant molecular systematics
Am. J. Bot. 2007 94: 1003-1016. [Abstract] [Full Text] [PDF]  

Luiz O. Oliveira, Robin B. Huck, Matthew A. Gitzendanner, Walter S. Judd, Douglas E. Soltis, and Pamela S. Soltis

Molecular phylogeny, biogeography, and systematics of Dicerandra (Lamiaceae), a genus endemic to the southeastern United States
Am. J. Bot. 2007 94: 1017-1027. [Abstract] [Full Text] [PDF]  

Danica T. Harbaugh and Bruce G. Baldwin

Phylogeny and biogeography of the sandalwoods (Santalum, Santalaceae): repeated dispersals throughout the Pacific
Am. J. Bot. 2007 94: 1028-1040. [Abstract] [Full Text] [PDF]  

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