AMERICAN JOURNAL OF BOTANY

Volume 91, Number 6, June 2004

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Anatomy and Morphology 

Anatomy of the vessel network within and between tree rings of Fraxinus lanuginosa (Oleaceae)

                Peter B. Kitin, Tomoyuki Fujii, Hisashi Abe, and Ryo

                Funada                                                                                                               779

 

Biomechanics  

Damped oscillations of the giant reed Arundo donax (Poaceae)

                Olga Speck and Hanns-Christof Spatz                                             789

 

Genetics and Molecular Biology 

Correlation between molecular markers and adaptively significant genetic variation in

Bromus tectorum (Poaceae), an inbreedingannual grass

                Alisa P. Ramakrishnan, Susan E. Meyer, Jennifer Waters,

                Mikel R. Stevens, Craig E. Coleman, and Daniel J.

                Fairbanks                                                                                                         797

 

Chromosome numbers, meiotic behavior, and pollen viability of species of Vriesea and

Aechmea genera (Bromeliaceae) native to Rio Grande do Sul, Brazil

            Clarisse Palma-Silva, Daniel G. dos Santos, Eliane

            Kaltchuk-Santos, and Maria H.Bodanese-Zanettini                     804

Mycology and Plant Pathology 

Mitosis in the yeast phase of the basidiomycetes Bensingtonia yuccicola and Stilbum vulgare

and its phylogenetic implications

                David J. McLaughlin, Ronald W. Hanson, Jr, Elizabeth M.        

                Frieders, Eric C. Swann, and Les J. Szabo                                       808

Paleobotany 

Cytological and ultrastructural preservation in Eocene Metasequoia leaves from the

Canadian High Arctic

                Karimah Schoenhut, David R. Vann, and Ben A. LePage          816

Population Biology         

Genetic variation in flowering time induces phenological assortative mating: quantitative

genetic methods applied to Brassica rapa

                Arthur E. Weis and Tanya M. Kossler                                              825

 

Life-history variation and adaptation in the historically mobile plant Arabidopsis thaliana

(Brassicaceae) in North America

                Converse Griffith, Eunsuk Kim, and Kathleen Donohue      837

Reproductive Biology 

Geographic differentiation in the pollination system of the columnar cactus

Pachycereus pecten –aboriginum

                Alfonso Valiente-Banuet, Francisco Molina-Freaner,    

                Alfonso Torres, María del Coro Arizmendi, and

                Alejandro Casas                                                                                        850

Ecology 

Palatability and tolerance to simulated herbivory in native and introduced populations

of Alliaria petiolata (Brassicaceae)

                Oliver Bossdorf, Stefan Schröder, Daniel Prati,

                and Harald Auge                                                                                         856

 

Ecological correlates of seed desiccation tolerance in tropical African dryland trees

                Hugh W. Pritchard, Matthew I. Daws, Benjamin J. Fletcher,

    Christiane S. Gaméné, Heriel P. Msanga, and William        

    Omondi                                                                                                              863

 

Trade-offs among anti-herbivore resistance traits: insights from Gossypieae (Malvaceae)

                Jennifer A. Rudgers, Sharon Y. Strauss, and Jonathan F.    

                Wendel                                                                                                              871

 

Systematics 

A chloroplast phylogeny of Arisaema (Araceae) illustrates Tertiary floristic links between

Asia, North America, and East Africa

                Susanne S. Renner, Li-Bing Zhang, and Jin Murata                     881

 

Diploid and polyploid cytotype distribution in Melampodium cinereum and M. leucanthum

(Asteraceae, Heliantheae)        

                Tod F. Stuessy, Hanna Weiss-Schneeweiss, and David

                J. Keil                                                                                                                 889

 

Revealing unknown or extinct lineages within Isoëtes (Isoëtaceae) using DNA sequences

from hybrids

                Sara B. Hoot, Nancy S. Napier, and W. Carl Taylor                   899

 

Phylogenetic position and biogeography of Hillebrandia sandwicensis (Begoniaceae):

a rare Hawaiian relict

                Wendy L. Clement, Mark C. Tebbitt, Laura L. Forrest,

                Jaime E. Blair,  Luc Brouillet, Torsten Eriksson, and

                Susan M. Swensen                                                                                       905

 

Phylogenetic relationships of North American Antirrhinum (Veronicaceae)

                Ryan K. Oyama and David A. Baum                                                     918

 

Buzz-pollinated Dodecatheon originated from within the heterostylous Primula subgenus

Auriculastrum (Primulaceae): a seven-region cpDNA phylogeny and its implications for

floral evolution

                Austin R. Mast, Danielle M. S. Feller, Sylvia Kelso,

                and Elena Conti                                                                                         926

 

Northern hemisphere biogeography of Cerastium (Caryophyllaceae): insights from

phylogenetic analysis of noncoding plastidnucleotide sequences

Anne-Cathrine Scheen, Christian Brochmann, Anne K.

Brysting, Reidar Elven, Ashley Morris, Douglas E. Soltis, Pamela S. Soltis, and Victor A. Albert                                                943

 

A multivariate analysis of Hyospathe (Palmae)

                Andrew J. Henderson                                                                               953

 

A chemotaxonomic analysis of cannabinoid variation in Cannabis (Cannabaceae)

                Karl W. Hillig and Paul G. Mahlberg                                               966

 

Molecular genetic evidence for interspecific hybridization among endemic Hispaniolan

Bursera (Burseraceae)

Andrea Weeks and Beryl B. Simpson                                               976

 

Addressing the "hardest puzzle in American pomology:" Phylogeny of Prunus sect.

Prunocerasus (Rosaceae) based on seven noncoding chloroplast DNA regions

                Joey Shaw and Randall L. Small                                                  985

 

Amborella not a "basal angiosperm"? Not so fast

                Douglas E. Soltis and Pamela S. Soltis                                      997

Brief Communication 

Suppression of branches in Eucalyptus trees

                P. Senthalir, S. Sharanya, and M. Paramathma                   1002

 

Book Review 

Plant functional biology

                Martin J. Lechowicz                                                                           1005

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