1. Vegetative diversification and radiation in subtribeDendrobiinae (Orchidaceae): Evidence from chloroplast DNA phylogeny and anatomical characters

   • Tomohisa Yukawa
   • Koichi Uehara

   OriginalPaper Pages: 1 - 14

2. Reproductive success and clonal genetic structure of the rareArnica montana (Compositae) in The Netherlands

   • Sheila H. Luijten
   • J. Gerard B. Oostermeijer
   • Hans C. M. den Nijs

   OriginalPaper Pages: 15 - 30

3. Genetic differentiation, polyploidization and hybridization in northern EuropeanDactylorhiza (Orchidaceae): Evidence from allozyme markers

   • Mikael Hedrén

   OriginalPaper Pages: 31 - 55

4. Speciation inVirgilia (Fabaceae): Allopatric divergence followed by introgression?

   • Michelle van der Bank
   • F. H. van der Bank
   • B. -E. van Wyk

   OriginalPaper Pages: 57 - 73

5. The karyotype ofFestucopsis serpentini (Poaceae Triticeae) from Albania studied by banding techniques and in situ hybridization

   • Ib Linde-Laursen
   • Ole Seberg
   • Claus Baden

   OriginalPaper Pages: 75 - 82

6. Intra- and interspecific reproductive barriers inCrocus (Iridaceae)

   • G. Chichiriccò

   OriginalPaper Pages: 83 - 92

7. RAPD patterns, nrDNA ITS sequences and morphological patterns inSilene sectionSedoideae (Caryophyllaceae)

   • Bengt Oxelman

   OriginalPaper Pages: 93 - 116

8. Molecular organization and evolution of the external transcribed rDNA spacer region in two diploid relatives ofNicotiana tabacum (Solanaceae)

   • R. Volkov
   • S. Kostishin
   • D. Schweizer

   OriginalPaper Pages: 117 - 129

9. The consequences of specialization for pollination in a rare South African shrub,Ixianthes retzioides (Scrophulariaceae)

   • Kim E. Steiner
   • V. B. Whitehead

   OriginalPaper Pages: 131 - 138

10. Fruit-set and seed weight variation inAnthyllis vulneraria subsp.vulgaris (Fabaceae)

    • Luis Navarro

    OriginalPaper Pages: 139 - 148

11. Genetic and morphological divergence in theAndrocymbium gramineum complex (Colchicaceae)

    • Joan Pedrola-Monfort
    • Juli Caujapé-Castells

    OriginalPaper Pages: 149 - 162

12. Natural and experimental hybridization inArmeria (Plumbaginaceae):A. villosa subsp.carratracensis

    • G. Nieto Feliner
    • A. Izuzquiza
    • A. R. Lansac

    OriginalPaper Pages: 163 - 177

13. Maternal effects on early juvenile traits inIris pumila (Iridaceae)

    • Branka Tucić
    • S. Avramov

    OriginalPaper Pages: 179 - 197

14. The inflorescences ofPaspalum (Poaceae, Paniceae): TheQuadrifaria group and the evolutionary pathway towards the fully homogenized, truncated common type

    • Gabriel H. Rua

    OriginalPaper Pages: 199 - 209

15. Microgametophytes in flowers with and without fruits ofPhlox drummondii (Polemoniaceae)

    • Uzi Plitmann
    • Donald A. Levin

    OriginalPaper Pages: 211 - 221

16. Morphometric variation inLomelosia crenata (Dipsacaceae)

    • Paolo Caputo
    • Ilaria Campo
    • Paolo De Luca

    OriginalPaper Pages: 223 - 232

17. Nonrandom mating inDiscaria americana (Rhamnaceae)

    • Diego Medan
    • Viviana Vasellati

    OriginalPaper Pages: 233 - 241

18. Systematics, typification, distribution, and reproductive biology ofPinckneya bracteata (Rubiaceae)

    • Piero G. Delprete

    OriginalPaper Pages: 243 - 261

19. Does endosperm reduce intra-fruit competition among developing seeds?

    • R. Uma Shaanker
    • K. V. Ravishankar
    • K. N. Ganeshaiah

    OriginalPaper Pages: 263 - 270

20. Asynapsis inCistanche tubulosa (Orobanchaceae)

    • Batia Pazy
    • Uzi Plitmann

    Short communication Pages: 271 - 273

21. Erratum

    • Severio D'Emerico
    • Domenico Pignone
    • Pasqua Bianco

    Erratum Pages: 275 - 275