Drosanthemum

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Drosanthemum

Drosanthemum Schwantes in Z. Sukkulentenk. 3: 14, 29. 1927 sec. Hartmann 20171

• Type: Drosanthemum hispidum (L.) Schwantes

• 1. Hartmann, H. E. K. 2017 – In: Hartmann, H. E. K., Illustrated handbook of succulent plants. Aizoaceae, ed. 2. – Berlin: Springer

• –Delosperma sect. Gracillima Lavis in J. S. African Bot. 35: 146. 1969, nom. nud., syn. sec. Hartmann 20173,2
• Type: Delosperma exspersum (N.E.Br.) L.Bolus

• 2. Hartmann, H. E. K. 2017 – In: Hartmann, H. E. K., Illustrated handbook of succulent plants. Aizoaceae, ed. 2. – Berlin: Springer, 3. Hartmann, H. E. K. 2017 – In: Hartmann, H. E. K., Illustrated handbook of succulent plants. Aizoaceae, ed. 2. – Berlin: Springer

Content

• Notes
• Bibliography

Notes

A large genus of 107 species, which has only partly been revised. With the exception of few misplaced species, the genus is monophyletic (Klak & al. 2013). Hartmann (2007) recognized eight subgenera in Drosanthemum and also provided a key to the subgenera with a list of species included for each of them. Although also distribution maps were included for all eight subgenera, no vouchers were cited (Hartmann 2007), so that it remains uncertain on which material the maps were based. In addition, only one of the eight subgenera has so far been revised in part (Hartmann 2008). Since many species are threatened by agriculture or urban expansion, the genus is in urgent need of revision.A,B,C,D

Bibliography

A. Hartmann, H. E. K. 2007: Studies in Aizoaceae: eight new subgenera in Drosanthemum Schwantes. – Bradleya 25: 145-176

B. Hartmann, H. E. K. 2008: A carnival of flowers in Drosanthemum subgenus Speciosa (Aizoaceae). – Bradleya 26: 99 – 120

C. 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. http://doi.org/10.3372/wi.45.45301

D. 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. http://doi.org/10.1016/j.ympev.2013.05.030