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  • What is the role of hybridization in the evolution of the Cactaceae? by Marlon C. Machado
  • Eight new species of Aizoaceae from the Cedarberg and Namaqualand, South Africa by Cornelia Klak
  • Naturalised species of Agave L. (Agavaceae) in the Eastern Cape Province of South Africa by Gideon F.Smith, Michele Walters, Estrela Figueiredo and Ronell R.Klopper
  • A synopsis of Delosperma N.E.Br. (Aizoaceae) in North East Africa and South West Arabia by H.E.K. Hartmann
  • Notes on Maihueniopsis Spegazzini (Cactaceae) by Graham Charles
  • Floral Biology, phytogeography and systematics of Eriosyce subgenus Neoporteria (Cactaceae) by Helmut Walter
  • A carnival of flowers in Drosanthemum subgenus Speciosa (Aizoaceae) by H.E.K.Hartmann
  • Aloes of the World: African Plants Initiative. An international web-based collaboration to promote scholarly research on Aloe L. by Gideon F.Smith, Michele Walters, Ronell R. Klopper and Neil R. Crouch


UK Bradleya 26/2008 | 14 GBP

Overseas Bradleya 26/2008 | 16 GBP


Cover: Bruce Bayer photographed this plant of Drosanthemum hallii L.Bolus in habitat S.W. of Worcester (Hartmann & Bayer 34610) in full bloom and with the unusual change in colour from a yellow base to almost red tips. D. hallii has been described with pure yellow petals. The black filamentous staminodes, typical of Drosanthemum subgenus Speciosa, become more visible with age; various stages are shown here.


Total number of pages: 128 + Cover (49 colour pages + Cover)
Colour photographs: 178
Black and white photographs, line drawings and diagrams: 10; maps: 10
ISBN 0-902099-81-7
ISSN 0265-086X