AMERICAN JOURNAL OF BOTANY

Volume 91, Number 9, September 2004


Invited Special Paper

        Structural integration at the shoot apical meristem: models, measurements, and experiments
        Dorota Kwiatkowska                                                                                                    1277

Genetics and Molecular Biology

        Physical mapping of the 5S and 18S–25S rRNA genes by FISH as evidence that Arachis duranensis
        and A. ipaensis are the wild diploid progenitors of A. hypogaea (Leguminosae
        J. Guillermo Seijo, Graciela I. Lavia, Aveliano Fernández, Antonio Krapovickas, Daniel
        Ducasse, and Eduardo A. Moscone   
                                                                              1294

Physiology and Development

         
Inhibition of peptide deformylase in Nicotiana tabacum leads to decreased D1 protein accumulation, 
        ultimately resulting in a reduction of photosystem II complexes
        Cai-Xia Hou, Lynnette M. A. Dirk, and Mark A. Williams                                                   1304

Physiology and Biochemistry

         
Chloroplast small heat-shock proteins protect photosynthesis during heavy metal stress
        Scott A. Heckathorn, J. Kathleen Mueller, Stephanie LaGuidice, Bin Zhu, Tara Barrett, Brian Blair,
        and Yan Dong                                                                                                                  1312

Reproductive Biology

        Obligate pollination mutualism in Breynia (Phyllanthaceae): further documentation of pollination
        mutualism involving Epicephala moths (Gracillariidae)
        Atsushi Kawakita and Makoto Kato                                                                               1319

        The consequences of clone size for paternal and maternal success in domestic apple (Malus x
        domestica)
        Matthew B. Routley, Paul Kron, and Brian C. Husband                                                    1326

Population Biology

         
Hybridization and gene flow between a day- and night-flowering species of Zaluzianskya
        (Scrophulariaceae s.s., tribe Manuleeae)
        Jenny K. Archibald, Andrea D. Wolfe, and Steven D. Johnson                                           1333

        Multi-scale genetic analysis of Uniola paniculata (Poaceae): a coastal species with a linear,
        fragmented distribution
        Steven J. Franks, C. L. Richards, E. Gonzales, J. E. Cousins, and J. L. Hamrick                  1345

        Natural hybridization and hybrid zones between Quercus crassifolia and Quercus crassipes
        (Fagaceae) in Mexico: morphological and molecular evidence
        Efraín Tovar-Sánchez and Ken Oyama                                                                            1352

Ecology

         
Testing the adaptive nature of radiation: growth form and life history divergence in the African
        grass genus Ehrharta (Poaceae: Ehrhartoideae)
        G. Anthony Verboom, H. Peter Linder, and William D. Stock                                            1364

        Leaf longevity of Oxalis acetosella (Oxalidaceae) in the Catskill Mountains, New York, USA
        Jack T. Tessier                                                                                                              1371

        Long-term trends in annual reproductive output of the scrub hickory: factors influencing varia-
        tion in size of nut crop
        James N. Layne and Warren G. Abrahamson                                                                     1378

Systematics

        Radiation of the Australian Salicornioideae (Chenopodiaceae)—based on evidence from nuclear
        and chloroplast DNA sequences
        K. A. Shepherd, M. Waycott, and A. Calladine                                                                 1387

        Phylogeny of Populus (Salicaceae) based on nucleotide sequences of chloroplast TRNT-TRNF
        region and nuclear rDNA
        Mona Hamzeh and Selvadurai Dayanandan                                                                      1398

        Tribal and intergeneric relationships of Mesechiteae (Apocynoideae, Apocynaceae): evidence
        from three noncoding plastid DNA regions and morphology
        André O. Simões, Mary E. Endress, Timotheüs van der Niet, Luiza S. Kinoshita, and   
        Elena Conti                                                                                                                   1409

        Dactylorhiza (Orchidaceae) in European Russia: combined molecular and morphological analysis
        Alexey B. Shipunov, Michael F. Fay, Yohan Pillon, Richard M. Bateman, Mark W. Chase     1419

        Bayesian analysis of combined chloroplast loci, using multiple calibrations, supports the recent
        arrival of Melastomataceae in Africa and Madagascar
        Susanne S. Renner                                                                                                         1427