Haseltonia 14


  • Introduction to the special issue: Early cactus evolution by Root Gorelick
  • The study of cactus evolution: the pre-DNA era by Detlev Metzing and Roberto Kiesling
  • Variations on a theme: repeated evolution of succulent life forms in the Portulacineae (Caryophyllales) by Reto Nyffeler, Urs Eggli, Matt Ogburn, and Erika Edwards
  • Pereskia, Portulacaceae, photosynthesis, and phylogenies: Implications for early Cactaceae by M Patrick Griffith
  • Investigating Pereskia and the earliest divergences in Cactaceae by Charles Butterworth and Erika J Edwards
  • Pereskia, Maihuenia, and Blossfeldia—taxonomic history, updates, and notes by Beat Ernst Leuenberger
  • Opuntia fragilis: Taxonomy, distribution, and ecology by Eric Ribbens
  • The Opuntia of Mississippi by Lucas C Majure and Gary N Ervin
  • Succulent plant diversity of the Sonoran islands, Gulf of California, Mexico by Benjamin T Wilder, Richard S Felger, and Humberto Romero-Morales
  • Taxonomy and distribution of epiphytic cacti in Uruguay Notes towards a checklist of Cactaceae of Uruguay, Part 3 by Urs Eggli, Eduardo Marchesi, Mauricio Bonifacino, and Reto Nyffeler
  • Macro- and micro-habitat characteristics of Kuenzler’s hedgehog cactus (Echinocereus fendleri var kuenzleri) by Ben C May, David B Wester, Carlton M Britton, and Ty Bryson
  • Taxonomic history and status of the Coahuila Bishop’s Cap by Richard R Montanucci
  • In vitro reversion of cephalial tissue to vegetative growth in Melocactus matanzanus by Tomasz P Wyka
  • Aloe arborescens and CITES by Gideon F Smith, Ronell R Klopper, and Neil R Crouch
  • Lectotypification of Adenium multiflorum KLOTZSCH (Apocynaceae) by Joachim Thiede
  • Commendium of new taxa and new combinations from Cactus & Succulent Journal (January 2008–December 2008)


Front Cover: The first in what we hope will become a series of special issues dedicated to current topics of scientific debate in the succulent plant world. In this issue, dedicated to early cactus evolution, five invited papers delve into questions of where and how cacti evolved, what are the most primitive cacti, and what are their closest living relatives? Did they start out as leafy trees, likePereskia, or as tiny succulents, like Anacampseros? This volume is destined to become the standard references on the topic, and aside from the five invited papers, an additional nine papers, covering many other aspects of the science of succulents, fill out an unprecedented 200 pages of engaging scholarly content.                         

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