Invited Special Paper:

G. Ledyard Stebbins, Jr. and the evolutionary synthesis (1924-1950)

VB Smocovitis
Am. J. Bot. 1997 84: 1625. [Abstract] [PDF]

Anatomy and Morphology:

Anatomy and distribution of foliar idioblasts in Scrophularia and Verbascum (Scrophulariaceae)

NR Lersten and JD Curtis
Am. J. Bot. 1997 84: 1638. [Abstract] [PDF]

Ecology:

Analysis of amino acids in nectar from pitchers of Sarracenia purpurea (Sarraceniaceae)

WJ Dress, SJ Newell, AJ Nastase, and JC Ford
Am. J. Bot. 1997 84: 1701. [Abstract] [PDF]

Carbon isotopic composition of legumes with photosynthetic stems from mediterranean and desert habitats

ET Nilsen and MR Sharifi
Am. J. Bot. 1997 84: 1707. [Abstract] [PDF]

Why do early-emerging tree seedlings have survival advantages?: a test using Acer rubrum (Aceraceae)

RH Jones, BP Allen, and RR Sharitz
Am. J. Bot. 1997 84: 1714. [Abstract] [PDF]

Effects of bison and cattle on growth, reproduction, and abundances of five tallgrass prairie forbs

SA Damhoureyeh and DC Hartnett
Am. J. Bot. 1997 84: 1719. [Abstract] [PDF]

Interactions between resources and abiotic conditions control plant performance on subarctic coastal dunes

G Houle
Am. J. Bot. 1997 84: 1729. [Abstract] [PDF]

Variation in magnesium and nitrogen content in seeds of antelope bitterbrush (Purshia tridentata, Rosaceae)

PG Krannitz
Am. J. Bot. 1997 84: 1738. [Abstract] [PDF]

Vallisneria americana (Hydrocharitaceae) as a biomonitor of aquatic ecosystems: comparison of cloned genotypes

M Biernacki and J Lovett-Doust
Am. J. Bot. 1997 84: 1743. [Abstract] [PDF]

Genetics and Molecular Biology:

Conservation of microsatellites among tropical trees (Leguminosae)

S Dayanandan, KS Bawa, and R Kesseli
Am. J. Bot. 1997 84: 1658. [Abstract] [PDF]

Population Biology:

Genetic diversity and breeding system in a group of neotropical epiphytic ferns (Pleopeltis; Polypodiaceae)

EA Hooper and CH Haufler
Am. J. Bot. 1997 84: 1664. [Abstract] [PDF]

The spatial genetic structure of cytoplasmic (cpDNA) and nuclear (allozyme) markers within and among populations of the gynodioecious Thymus vulgaris (Labiatae) in southern France

M Tarayre, P Saumitou-Laprade, J Cuguen, D Couvet, and JD Thompson
Am. J. Bot. 1997 84: 1675. [Abstract] [PDF]

Reproductive Biology:

Mating structure and inbreeding and outbreeding depression in the rare plant Gentianella germanica (Gentianaceae)

M Fischer and D Matthies
Am. J. Bot. 1997 84: 1685. [Abstract] [PDF]

Structure and Development:

Analysis of developmental preformation in the alpine herb Caltha leptosepala (Ranunculaceae)

AR Aydelotte and PK Diggle
Am. J. Bot. 1997 84: 1646. [Abstract] [PDF]

Systematics:

A cladistic analysis of Asarum (Aristolochiaceae) and implications for the evolution of herkogamy

LM Kelly
Am. J. Bot. 1997 84: 1752. [Abstract] [PDF]

Tropical Biology:

Changes in the delta13C values of trees during a tropical rainy season: some effects in addition to diffusion and carboxylation by Rubisco?

VJ Terwilliger
Am. J. Bot. 1997 84: 1693. [Abstract] [PDF]

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