In this issue:

Am. J. Bot. 2003 90: 0. [Full Text]  

Book Review:

Ragan M. Callaway, Anna Sala, Elizabeth Crone, and John Maron

Plant ecology textbooks: a new contender
Am. J. Bot. 2003 90: 960-964. [Full Text]  

Development and Morphogenesis:

J. G. Dubrovsky and L. F. Gómez-Lomelí

Water deficit accelerates determinate developmental program of the primary root and does not affect lateral root initiation in a Sonoran Desert cactus (Pachycereus pringlei, Cactaceae)
Am. J. Bot. 2003 90: 823-831. [Abstract] [Full Text]  

Ecology:

David W. Inouye, Francisca Saavedra, and Wendy Lee-Yang

Environmental influences on the phenology and abundance of flowering by Androsace septentrionalis (Primulaceae)
Am. J. Bot. 2003 90: 905-910. [Abstract] [Full Text]  

Taly Dawn Drezner

Saguaro (Carnegiea gigantea, Cactaceae) age–height relationships and growth: the development of a general growth curve
Am. J. Bot. 2003 90: 911-914. [Abstract] [Full Text]  

Mycology and Plant Pathology:

Devon J. Bradley, Gregory S. Gilbert, and Ingrid M. Parker

Susceptibility of clover species to fungal infection: the interaction of leaf surface traits and environment
Am. J. Bot. 2003 90: 857-864. [Abstract] [Full Text]  

Physiology and Development:

Haya Friedman, Shimon Meir, Abraham H. Halevy, and Sonia Philosoph-Hadas

Characterization of the asymmetric growth of gravistimulated snapdragon spikes by stem and cell dimension analyses
Am. J. Bot. 2003 90: 849-856. [Abstract] [Full Text]  

Population Biology:

Irié Zoro Bi, Alain Maquet, and Jean-Pierre Baudoin

Population genetic structure of wild Phaseolus lunatus (Fabaceae), with special reference to population sizes
Am. J. Bot. 2003 90: 897-904. [Abstract] [Full Text]  

Reproductive Biology:

Hyesoon Kang and Kamaljit S. Bawa

Effects of successional status, habit, sexual systems, and pollinators on flowering patterns in tropical rain forest trees
Am. J. Bot. 2003 90: 865-876. [Abstract] [Full Text]  

Kamaljit S. Bawa, Hyesoon Kang, and Michael H. Grayum

Relationships among time, frequency, and duration of flowering in tropical rain forest trees
Am. J. Bot. 2003 90: 877-887. [Abstract] [Full Text]  

Elizabeth Elle and Robert Carney

Reproductive assurance varies with flower size in Collinsia parviflora (Scrophulariaceae)
Am. J. Bot. 2003 90: 888-896. [Abstract] [Full Text]  

Structure and Development:

Chih-Hua Tsou and David M. Johnson

Comparative development of aseptate and septate anthers of Annonaceae
Am. J. Bot. 2003 90: 832-848. [Abstract] [Full Text]  

Systematics:

Dianella G. Howarth, Mats H. G. Gustafsson, David A. Baum, and Timothy J. Motley

Phylogenetics of the genus Scaevola (Goodeniaceae): implication for dispersal patterns across the Pacific Basin and colonization of the Hawaiian Islands
Am. J. Bot. 2003 90: 915-923. [Abstract] [Full Text] [Supplemental Data]  

John J. Skvarla, John R. Rowley, Victoria C. Hollowell, and William F. Chissoe

Annulus–pore relationship in Gramineae (Poaceae) pollen: the pore margin of Pariana
Am. J. Bot. 2003 90: 924-930. [Abstract] [Full Text]  

Rolf Holderegger and Richard J. Abbott

Phylogeography of the Arctic-Alpine Saxifraga oppositifolia (Saxifragaceae) and some related taxa based on cpDNA and ITS sequence variation
Am. J. Bot. 2003 90: 931-936. [Abstract] [Full Text]  

Rolf Y. Berg

Development of ovule, embryo sac, and endosperm in Triteleia (Themidaceae) relative to taxonomy
Am. J. Bot. 2003 90: 937-948. [Abstract] [Full Text]  

Brief Communications:

Marie-Elise Morand-Prieur, Christian Raquin, Jacqui A. Shykoff, and Nathalie Frascaria-Lacoste

Males outcompete hermaphrodites for seed siring success in controlled crosses in the polygamous Fraxinus excelsior (Oleaceae)
Am. J. Bot. 2003 90: 949-953. [Abstract] [Full Text]  

Michael J. Sanderson

Molecular data from 27 proteins do not support a Precambrian origin of land plants
Am. J. Bot. 2003 90: 954-956. [Abstract] [Full Text] [Supplemental Data]  

Marc Gottschling and Hartmut H. Hilger

First fossil record of transfer cells in angiosperms
Am. J. Bot. 2003 90: 957-959. [Abstract] [Full Text]  

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