1. Valid publication of the family name Pteleocarpaceae

   • R. K. Brummitt

   OriginalPaper 05 April 2011 Pages: 1 - 3

   

2. Summary of recent systems of angiosperm classification

   • James L. Reveal

   OriginalPaper 30 April 2011 Pages: 5 - 48

3. A revision of the genus Medusanthera (Stemonuraceae, Icacinaceae s.l.)

   • Timothy M. A. Utteridge

   OriginalPaper 11 June 2011 Pages: 49 - 81

   

4. Phylogeny and biogeography of the lamioid genus Phlomis (Lamiaceae)

   • C. Mathiesen
   • A.-C. Scheen
   • C. Lindqvist

   OriginalPaper 30 April 2011 Pages: 83 - 99

   

5. Catabrosa versus Colpodium (Poaceae: Poeae) in southern Africa, with a key to these genera and their species in Africa

   • Robert J. Soreng
   • Lyn Fish

   OriginalPaper 24 May 2011 Pages: 101 - 110

   

6. Four new species of Aloe (Aloaceae) from Ethiopia, with notes on the ethics of describing new taxa from foreign countries

   • Sebsebe Demissew
   • Ib Friis
   • Inger Nordal

   OriginalPaper 10 May 2011 Pages: 111 - 121

   

7. Four new species of Anthurium (Araceae) from Bahia, Brazil

   • A. Haigh
   • S. J. Mayo
   • M. A. Nadruz Coelho

   OriginalPaper 08 June 2011 Pages: 123 - 132

   

8. Baccharis sphagnophila, a new species of Baccharis sect. Caulopterae (Compositae: Astereae) from the highlands of Southern Brazil

   • Angelo Alberto Schneider
   • Gustavo Heiden
   • Ilsi Iob Boldrini

   OriginalPaper 10 June 2011 Pages: 133 - 135

   

9. Two new species of Marsdenia R. Br. (Apocynaceae: Asclepiadoideae) from the semi-arid region of Brazil

   • Alessandro Rapini
   • Jorge Fontella Pereira

   OriginalPaper 04 May 2011 Pages: 137 - 142

   

10. Kerianthera longiflora (Rubiaceae), a remarkable new species from eastern Brazil, with some observations on K. preclara

    • Caetano Troncoso Oliveira
    • Leandro L. Giacomin
    • Daniela C. Zappi

    OriginalPaper 30 April 2011 Pages: 143 - 148

    

11. Passiflora cristalina, a striking new species of Passiflora (Passifloraceae) from Mato Grosso, Brazil

    • John Vanderplank
    • Daniela Zappi

    OriginalPaper 29 April 2011 Pages: 149 - 153

    

12. Zeuxine strateumatica (Orchidaceae) goes south: a first record for Brazil

    • Luiz Menini Neto
    • Marcelo Rodrigues Miranda
    • David Cruz

    OriginalPaper 08 June 2011 Pages: 155 - 158

    

13. Lectotypifications in Pseudolaelia (Laeliinae: Orchidaceae)

    • Luiz Menini Neto
    • Rafaela Campostrini Forzza
    • Cassio van den Berg

    OriginalPaper 28 May 2011 Pages: 159 - 161

14. Microlicia hirticalyx (Melastomataceae): a new name for Microlicia acuminata Cogn.

    • R. Romero
    • E. M. Woodgyer

    OriginalPaper 30 April 2011 Pages: 163 - 165

    

15. Typification and synonymy of Meriania species (Merianieae – Melastomataceae) from Brazil

    • Berenice Chiavegatto
    • José Fernando Andrade Baumgratz

    ReviewPaper 21 January 2011 Pages: 167 - 169

16. Hyptis maya, a new species of Lamiaceae from Belize, Central America, and the closely related H. lanceolata

    • Raymond M. Harley

    OriginalPaper 16 April 2011 Pages: 171 - 174

    

17. Vernonia bayensis (Asteraceae/Compositae), a new species from Somalia and a key to the Somali species of Vernonia

    • Mats Thulin
    • Henk Beentje

    OriginalPaper 19 April 2011 Pages: 175 - 178

    

18. Vernonia excelsa (Compositae), a new liana from Central Africa, and notes on related species

    • Carel C. H. Jongkind

    OriginalPaper 15 June 2011 Pages: 179 - 182

    

19. A new endemic species of Pandanaceae from India: Pandanus palakkadensis

    • A. B. Nadaf
    • R. L. Zanan
    • K. V. Wakte

    OriginalPaper 28 May 2011 Pages: 183 - 186

    

20. Impatiens kunyitensis (Balsaminaceae), a new species from Sumatra, Indonesia

    • Nanda Utami

    OriginalPaper 10 June 2011 Pages: 187 - 190

    

21. Alexander von Humboldt’s fungal collections at Kew

    • Peter Roberts

    OriginalPaper 15 June 2011 Pages: 191 - 194

22. Book Reviews

    • B. M. Spooner

    BookReview 16 April 2011 Pages: 195 - 198