| CSSA Haseltonia 12, 2006 |
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| From the Editor | Root Gorelick |
| Resolving "Nyffeler's Puzzle"-the intriguing taxonomic position of Blossfeldia | Charles A Butterworth |
| Loss of long-shoot leaves may mask terminal stem segment age in Ocotillo (Fouquieria splendens) | Keith T Killingbeck |
| Tunilla picardoi, a newly validated species from Salta (Argentina) | Alessandro Guiggi |
| Euphorbia gilbertiana: a new distinctive dwarf succulent euphorbia from southern Ethiopia | Philippe Bisseret and Ernst Specks |
| Aloe jibisana (Asphodelaceae), a new species from an isolated north Kenya mountain | Leonard E Newton |
| Agave attenuata ssp dentata (Roezl) Ullrich | Bernd Ullrich |
| Chromosomes and hybrids of Echeveria X. South American species of series Nudae | Charles H Uhl |
| Succulent plant diversity in Turkey I. Stonecrops (Crassulaceae) | Faris Karahan, Isik Öz. Neslihan Demircan and Ray Stephenson |
| Little-known Crassulaceae of Central Peru | Guillermo Pino |
| Compendium of new taxa and new combinations from Cactus and Succulent Journal (January 2004-December 2006) |
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| A new combination in the genus Agave | Julia Etter and Martin Kristen |
| Haseltonia 11 Errata |
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| On the cover: Blossfeldia lilputana, illustrated here in watercolor by Gerhard Marx, is undoubtedly the smallest cactus and may also be the most enigmatic of all cacti, confounding us with its physiological, anatomical, morphological, ecological and evolutionary peculiarities. In this issue Charles Butterworth brings us closer to understanding the taxonomic placement of this intriguing plant. |
