1. Foreword: A Festschrift on the occasion of Dennis Wm. Stevenson’s 70th birthday

   • Barbara A. Ambrose
   • Kenneth G. Karol
   • Fabián A. Michelangeli

   OriginalPaper 17 October 2012 Pages: 307 - 309

   

2. Rescuing Robert Brown—The Origins of Angio-Ovuly in Seed Cones of Conifers

   • P. B. Tomlinson

   OriginalPaper 13 November 2012 Pages: 310 - 334

   

3. A New Zamia Species from the Panama Canal Area

   • Alberto Sidney Taylor Blake
   • Gregory Holzman

   OriginalPaper 10 October 2012 Pages: 335 - 344

   

4. The Immense Diversity of Floral Monosymmetry and Asymmetry Across Angiosperms

   • Peter K. Endress

   OriginalPaper 10 October 2012 Pages: 345 - 397

   

5. Systematic Placement of Dasypogonaceae Among Commelinid Monocots: Evidence from Flowers and Fruits

   • Paula J. Rudall
   • John G. Conran

   OriginalPaper 10 October 2012 Pages: 398 - 415

   

6. Floral Morphology and Organogenesis in Tinantia pringlei, Along with a Review of Floral Developmental Variation in the Spiderwort Family, Commelinaceae

   • Christopher R. Hardy
   • Jason Ryndock

   OriginalPaper 10 October 2012 Pages: 416 - 427

   

7. Pollen Morphology of Xyridaceae Systematic (Poales) and its Potential

   • Lisa M. Campbell

   OriginalPaper 10 October 2012 Pages: 428 - 439

   

8. Homoplasy, Pollination, and Emerging Complexity During the Evolution of Floral Development in the Tropical Gingers (Zingiberales)

   • Chelsea D. Specht
   • Roxana Yockteng
   • W. John Kress

   OriginalPaper 18 December 2012 Pages: 440 - 462

   

9. Leaf Development, Metamorphic Heteroblasty and Heterophylly in Berberis s. l. (Berberidaceae)

   • Natalia Pabón-Mora
   • Favio González

   OriginalPaper 10 October 2012 Pages: 463 - 489