Haseltonia 23
Haseltonia 23
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Invited review: Comparative analysis of load adaptation strategies in columnar cacti and hardwood trees
Hannes Schwager
Morphology and anatomy support a reclassification of the African succulent taxa of Senecio s.l. (Asteraceae: Senecioneae)
Danielle Cicuzza, Danielle Sombra Stäheli, Reto Nyffeler and Urs Eggli
Nomenclatural proliferation and the superabundance of homotypic synonyms in Grusonia (Opuntioideae, Cactaceae)
Rolando T. Bárcenas and Julie A. Hawkins
Architectural effects on floral traits in Sedum praealtum DC. (Crassulaceae) in Mexico
Angélica María Hernández-Ramírez
Extending the natural distribution range of Astroloba herrei Uitewaal (Asphodelaceae: Alooideae): implications for its conservation status
Steven Molteno, Gideon F. Smith and Ernst van Jaarsveld
Gasteria koenii, a new Gasteria species from the Swartberg, Western-Cape, South Africa
Ernst van Jaarsveld
Bulbine dewetii, a new cliff-dwelling Bulbine species (Asphodelaceae) from the Western Cape
Ernst van Jaarsveld
Notes on Kalanchoe rotundifolia (Haw.) Haw. (Crassulaceae) in Southern Africa: the taxonomy of a species complex
Gideon F. Smith and Estrela Figuereido
The identity of Kalanchoe paniculata Harv. (Crassulaceae), a common species in southeastern and south-tropical africa
Gideon F. Smith and Estrela Figuereido
New records of Cactaceae from Gran Canaria (Canary Islands, Spain)
Filip Verloove, Águedo Marrero Rodríguez, Marcos Salas-Pascual and Alessandro Guiggi
Typification of the names Agave gustaviana J.N.Haage & E.Schmidt and A. maximiliana Baker (Asparagaceae / Agavaceae)
Gideon F. Smith
Flowering phenology and observations on the pollination biology of South American cacti. 3. Temporally robust sequential “big bang” flowering of two unrelated sympatric globular cacti in northern Argentina
Urs Eggli and Mario Giorgetta
Leipoldtia nevillei (Aizoaceae: Ruschieae), a new species from coastal Namaqualand, South Africa
Cornelia Klak and Peter V. Bruyns
Organ pipe cactus, Stenocereus thurberi, with fleshy leaves on spherical short-shoots that have indeterminate growth
Root Gorelick
Hannes Schwager
Morphology and anatomy support a reclassification of the African succulent taxa of Senecio s.l. (Asteraceae: Senecioneae)
Danielle Cicuzza, Danielle Sombra Stäheli, Reto Nyffeler and Urs Eggli
Nomenclatural proliferation and the superabundance of homotypic synonyms in Grusonia (Opuntioideae, Cactaceae)
Rolando T. Bárcenas and Julie A. Hawkins
Architectural effects on floral traits in Sedum praealtum DC. (Crassulaceae) in Mexico
Angélica María Hernández-Ramírez
Extending the natural distribution range of Astroloba herrei Uitewaal (Asphodelaceae: Alooideae): implications for its conservation status
Steven Molteno, Gideon F. Smith and Ernst van Jaarsveld
Gasteria koenii, a new Gasteria species from the Swartberg, Western-Cape, South Africa
Ernst van Jaarsveld
Bulbine dewetii, a new cliff-dwelling Bulbine species (Asphodelaceae) from the Western Cape
Ernst van Jaarsveld
Notes on Kalanchoe rotundifolia (Haw.) Haw. (Crassulaceae) in Southern Africa: the taxonomy of a species complex
Gideon F. Smith and Estrela Figuereido
The identity of Kalanchoe paniculata Harv. (Crassulaceae), a common species in southeastern and south-tropical africa
Gideon F. Smith and Estrela Figuereido
New records of Cactaceae from Gran Canaria (Canary Islands, Spain)
Filip Verloove, Águedo Marrero Rodríguez, Marcos Salas-Pascual and Alessandro Guiggi
Typification of the names Agave gustaviana J.N.Haage & E.Schmidt and A. maximiliana Baker (Asparagaceae / Agavaceae)
Gideon F. Smith
Flowering phenology and observations on the pollination biology of South American cacti. 3. Temporally robust sequential “big bang” flowering of two unrelated sympatric globular cacti in northern Argentina
Urs Eggli and Mario Giorgetta
Leipoldtia nevillei (Aizoaceae: Ruschieae), a new species from coastal Namaqualand, South Africa
Cornelia Klak and Peter V. Bruyns
Organ pipe cactus, Stenocereus thurberi, with fleshy leaves on spherical short-shoots that have indeterminate growth
Root Gorelick