The Annals of the Missouri Botanical Garden, published quarterly since 1914, contains peer-reviewed papers primarily devoted to systematic botany and evolutionary biology. The Annals reflect the global mission of the Garden, with contributing authors from the Americas, Africa, Europe, Asia, and Australasia.

CONTENTS OF THE ANNALS OF THE MISSOURI BOTANICAL GARDEN, VOL. 103, NUMBER 1

On the Recognition of Gymnosphaera as a Distinct Genus in Cyatheaceae
Shi-Yong Dong & Zheng-Yu Zuo

Revision of the Didymopanax Group of Neotropical Schefflera (Araliaceae)
Pedro Fiaschi & Gregory M. Plunkett

Evolution of Angiosperm Pollen. 5. Early Diverging Superasteridae (Berberidopsidales, Caryophyllales, Cornales, Ericales, and Santalales) plus Dilleniales
Ying Yu, Alexandra H. Wortley, Lu Lu, De-Zhu Li, Hong Wang & Stephen Blackmore