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Trichodiadema Schwantes in Z. Sukkulentenk. 2: 187. 1926 sec. Niesler 20171 wfo-4000038981
      Type: Trichodiadema stelligerum (Haw.) Schwantes
  • 1. Niesler, I. M. 2017: Trichodiadema, pp. 1257-1276. – In: Hartmann, H. E. K., Illustrated handbook of succulent plants. Aizoaceae, ed. 2. – Berlin: Springer


The genus includes 32 species and is divided into two subgenera (Hartmann & Niesler 2013). The latter study as well as earlier studies appear to be largely based on the types of Trichodiadema (Niesler 1997), since very little additional material (none from a South African Herbarium) is cited as the basis for their taxonomic conclusions. Distribution ranges for the recognized species remain uncertain due to the lack of cited vouchers. In addition, monophyly of the genus needs to be re-investigated in view of the fact that it was found nested among species of Delosperma (Klak & al. 2013).A,B,C,D


A. Hartmann, H. E. K. & Niesler, I. M. 2013: A new morphological study of the genus Trichodiadema (Aizoaceae) permits the description of a new subgenus, T. subg. Gemiclausa. – Bradleya 31: 58-75.
B. Hernández-Ledesma, P., Berendsohn, W. G., Borsch, T., von Mering, S., Akhani, H., Arias, S., Castañeda-Noa, I., Eggli, U., Eriksson, R., Flores-Olvera, H., Fuentes-Bazán, S., Kadereit, G., Klak, C., Korotkova, N., Nyffeler, R., Ocampo, G. & Ochoterena, H. 2015: A taxonomic backbone for the global synthesis of species diversity in the angiosperm order Caryophyllales. – Willdenowia 45(3): 281-383.
C. Klak, C., Hanáček, P. & Bruyns, P. V. 2013: A phylogenetic hypothesis for the recently diversified Ruschieae (Aizoaceae) in southern Africa. – Molecular Phylogenetics and Evolution 69: 1005-1020.
D. Niesler, I. M. 1997: Is Trichodiadema Schwantes one genus only?. – Bradleya 15: 13-17