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Notes on Plectranthus (Lamiaceae) from southern Africa
Four new Plectranthus taxa from South Africa are described, and P.Edwards is transferred to this genus from Coleus and recognized as a species.
Sagittanthera (Hyacinthaceae, Urgineoideae), a new buzz pollinated genus from the Eastern Cape Province of South Africa
This genus is based on Rhadamanthus cyanelloides, an enigmatic species occurring in the Eastern Cape Province of South Africa, and it is demonstrated that pollen is released by vibration, clearly evidence that buzz pollination occurs in this new genus.
Aloe mocamedensis, a new species from the Namib Desert, south-western Angola
Aloe mocamedensis is described as a new species from the Namib Desert in southwestern Angola that differs from A. kaokoensis by its smaller size and in forming small clusters of up to six plants, and in its juvenile leaves which are not spotted and remain distichous for a few years.
Kalanchoe waterbergensis, A new Kalanchoe species from the Waterberg, Limpopo Province, South Africa
  • E. Jaarsveld
  • Geology, Environmental Science
  • 31 August 2017
Summary: Kalanchoe waterbergensis is described from the western Waterberg margin, just east of Thabazimbi and south of the Kransberg and Marakele National Park (Limpopo Province). Kalanchoe
Drosanthemum badspoortensis, a new cliff-dwelling species from Badspoort, Western-Cape, South Africa
A cliff-dweller with several unique features, Drosanthemum badspoortensis is named from Badspoorts in the Western Cape.
Drosanthemum decumbens (Aizoaceae), a New Status for an Obligatory Cremnophyte from the Western Cape, South Africa
It differs from Drosanthemum expersum by its re-sprouting lignotuber, procumbent to pendent stems, shorter pedicels 10–15 (–35) mm long, and fruiting capsules turning reddish before drying.