1. Comparative floral anatomy and ontogeny in Magnoliaceae

   • F. Xu
   • P. J. Rudall

   OriginalPaper 08 March 2006 Pages: 1 - 15

2. A supplementary contribution of ants in the pollination of an orchid, Epipactis thunbergii, usually pollinated by hover flies

   • N. Sugiura
   • S. Miyazaki
   • S. Nagaishi

   OriginalPaper 17 February 2006 Pages: 17 - 26

3. Observations in Hemichloris antarctica Tschermak-Woess & Friedmann (Chlorophyceae) and the occurrence of a second Hemichloris species, Hemichloris polyspora n. sp

   • E. Tschermak-Woess
   • M. Hua
   • M. Hesse

   OriginalPaper 08 March 2006 Pages: 27 - 37

4. A critical review and a new proposal of karyotype asymmetry indices

   • B. Paszko

   OriginalPaper 08 March 2006 Pages: 39 - 48

5. Pollination by hummingbirds and bees in eight syntopic species and a putative hybrid of Ericaceae in Southeastern Brazil

   • L. Freitas
   • L. Galetto
   • M. Sazima

   OriginalPaper 08 March 2006 Pages: 49 - 61

6. A new florally dimorphic hexaploid, Echinocereus yavapaiensis sp. nov. (section Triglochidiatus, Cactaceae) from central Arizona

   • M. Baker

   OriginalPaper 08 March 2006 Pages: 63 - 83

7. Karyotype relationships among four South American species of Urvillea (Sapindaceae: Paullinieae)

   • J. D. Urdampilleta
   • M. S. Ferrucci
   • A. L. L. Vanzela

   OriginalPaper 17 February 2006 Pages: 85 - 95

8. Structural organization of the nuclear ribosomal RNA genes in Cannabis and Humulus (Cannabaceae)

   • M. Pillay
   • S. T. Kenny

   OriginalPaper 08 March 2006 Pages: 97 - 105

9. Floral structure and ontogeny in Globba (Zingiberaceae)

   • M. S. Box
   • P. J. Rudall

   OriginalPaper 08 March 2006 Pages: 107 - 122

10. Book review

    • Ulrich Meve

    Book Review Pages: 123 - 124

11. Book review

    • Peter V. Bruyns

    Book Review Pages: 124 - 127