In this issue:

Am. J. Bot. 2001 89: 0. [Full Text]  

Anatomy and Morphology:

Shirley C. Tucker

Comparative floral ontogeny in Detarieae (Leguminosae: Caesalpinioideae). 1. Radially symmetrical taxa lacking organ suppression
Am. J. Bot. 2002 89: 875-887. [Abstract] [Full Text]  

Shirley C. Tucker

Comparative floral ontogeny in Detarieae (Leguminosae: Caesalpinioideae). 2. Zygomorphic taxa with petal and stamen suppression
Am. J. Bot. 2002 89: 888-907. [Abstract] [Full Text]  

Stuart F. Baum, Joseph G. Dubrovsky, and Thomas L. Rost

Apical organization and maturation of the cortex and vascular cylinder inArabidopsis thaliana (Brassicaceae) roots
Am. J. Bot. 2002 89: 908-920. [Abstract] [Full Text]  

Ecology:

Scott N. Martens and Robert S. Boyd

The defensive role of Ni hyperaccumulation by plants: a field experiment
Am. J. Bot. 2002 89: 998-1003. [Abstract] [Full Text]  

Genetics and Molecular Biology:

Lena Murad, K. Yoong Lim, Vangellis Christopodulou, Roman Matyasek, Conrad P. Lichtenstein, Ales Kovarik, and Andrew R. Leitch

The origin of tobacco's T genome is traced to a particular lineage within Nicotiana tomentosiformis (Solanaceae)
Am. J. Bot. 2002 89: 921-928. [Abstract] [Full Text]  

Paleobotany:

Michele E. Kotyk, James F. Basinger, Patricia G. Gensel, and Tim A. de Freitas

Morphologically complex plant macrofossils from the Late Silurian of Arctic Canada
Am. J. Bot. 2002 89: 1004-1013. [Abstract] [Full Text]  

Reproductive Biology:

Maile C. Neel

Conservation implications of the reproductive ecology of Agalinis acuta (Scrophulariaceae)
Am. J. Bot. 2002 89: 972-980. [Abstract] [Full Text]  

Jennifer A. Schweitzer, Gregory D. Martinsen, and Thomas G. Whitham

Cottonwood hybrids gain fitness traits of both parents: a mechanism for theirlong-term persistence?
Am. J. Bot. 2002 89: 981-990. [Abstract] [Full Text]  

Gregg Dieringer and Leticia Cabrera R

The interaction between pollinator size and the bristle staminode of Penstemon digitalis (Scrophulariaceae)
Am. J. Bot. 2002 89: 991-997. [Abstract] [Full Text]  

Systematics:

Pieter B. Pelser, Barbara Gravendeel, and Ruud van der Meijden

Tackling speciose genera: species composition and phylogenetic position of Senecio sect. Jacobaea (Asteraceae) based onplastid and nrDNA sequences
Am. J. Bot. 2002 89: 929-939. [Abstract] [Full Text]  

Hong-Zhi Kong, Zhi-Duan Chen, and An-Ming Lu

Phylogeny of Chloranthus (Chloranthaceae) based on nuclear ribosomal ITS and plastid TRNL-F sequence data
Am. J. Bot. 2002 89: 940-946. [Abstract] [Full Text]  

Zósimo Huamán and David M. Spooner

Reclassification of landrace populations of cultivated potatoes (Solanum sect. Petota)
Am. J. Bot. 2002 89: 947-965. [Abstract] [Full Text]  

Ki-Oug Yoo, Porter P. Lowry II, and Jun Wen

Discordance of chloroplast and nuclear ribosomal DNA data in Osmorhiza (Apiaceae)
Am. J. Bot. 2002 89: 966-971. [Abstract] [Full Text]  

Brief Communications:

Theresa F. Law, Sabine Lebel-Hardenack, and Sarah R. Grant

Silver enhances stamen development in female white campion (Silene latifolia [Caryophyllaceae])
Am. J. Bot. 2002 89: 1014-1020. [Abstract] [Full Text]  

John K. Kelly, Aaron Rasch, and Susan Kalisz

A method to estimate pollen viability from pollen size variation
Am. J. Bot. 2002 89: 1021-1023. [Abstract] [Full Text]  

Aaron M. Ellison and Jerelyn N. Parker

Seed dispersal and seedling establishment of Sarracenia purpurea (Sarraceniaceae)
Am. J. Bot. 2002 89: 1024-1026. [Abstract] [Full Text]  

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