Development and Morphogenesis:

Evolution of novel morphological and reproductive traits in a clade containing Antirrhinum majus (Scrophulariaceae)

PA Reeves and RG Olmstead
Am. J. Bot. 1998 85: 1047. [Abstract] [PDF]

Paleobotany:

Fossil Clusiaceae from the late Cretaceous (Turonian) of New Jersey and implications regarding the history of bee pollination

WL Crepet and KC Nixon
Am. J. Bot. 1998 85: 1122. [Abstract] [PDF]

Population Biology:

Postglacial migration and the loss of allozyme variation in northern populations of Asclepias exaltata (Asclepiadaceae)

SB Broyles
Am. J. Bot. 1998 85: 1091. [Abstract] [PDF]

Do surface plant and soil seed bank populations differ genetically? A multipopulation study of the desert mustard Lesquerella fendleri (Brassicaceae)

RJ Cabin, RJ Mitchell, and DL Marshall
Am. J. Bot. 1998 85: 1098. [Abstract] [PDF]

Latitudinal population differentiation in two species of Solidago (Asteraceae) introduced into Europe

E Weber and B Schmid
Am. J. Bot. 1998 85: 1110. [Abstract] [PDF]

Reproductive Biology:

Is relative pollen production or removal a good predictor of relative male fitness? An experimental exploration with a wild strawberry (Fragaria virginiana, Rosaceae)

T Ashman
Am. J. Bot. 1998 85: 1166. [Abstract] [PDF]

Interspecific mating in the Piriqueta caroliniana (Turneraceae) complex: effects of pollen load size and composition

J Wang and MB Cruzan
Am. J. Bot. 1998 85: 1172. [Abstract] [PDF]

The evolution of beetle pollination in a South African orchid

KE Steiner
Am. J. Bot. 1998 85: 1180. [Abstract] [PDF]

Structure and Development:

Early development of androecia in polystemonous Hydrangeaceae

L Hufford
Am. J. Bot. 1998 85: 1057. [Abstract] [PDF]

Preferential states of longitudinal tension in the outer tissues of Taraxcum officinale (Asteraceae) peduncles

KJ Niklas and DJ Paolillo Jr
Am. J. Bot. 1998 85: 1068. [Abstract] [PDF]

Stem biomechanics of three columnar cacti from the Sonoran Desert

F Molina-Freaner, C Tinoco-Ojanguren, and KJ Niklas
Am. J. Bot. 1998 85: 1082. [Abstract] [PDF]

Systematics:

Interspecific relationships in Fagopyrum (Polygonaceae) revealed by the nucleotide sequences of the rbcL and accD genes and their intergenic region

Y Yasui and O Ohnishi
Am. J. Bot. 1998 85: 1134. [Abstract] [PDF]

Morphology and molecular data in phylogenetic fraternity: the tribe Wrightieae (Apocynaceae) revisited

B Sennblad, ME Endress, and B Bremer
Am. J. Bot. 1998 85: 1143. [Abstract] [PDF]

Gall-inducing insects provide insights into plant systematic relationships

WG Abrahamson, G Melika, R Scrafford, and G Csoka
Am. J. Bot. 1998 85: 1159. [Abstract] [PDF]

Book Review:

Alternative approaches to the analysis of comparative data: compare and contrast

SJ Mazer
Am. J. Bot. 1998 85: 1194. [Abstract] [PDF]

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