Three new species of Serruria (Proteaceae) from the southwestern Cape

Abstract

Three new species of Serruria are described, namely,  S. altiscapa Rourke from the Villiersdorp and Hottentots Holland Mountains, characterised by its unusually tall paniculate inflorescences;  S. gremialis Rourke. a multistemmed lignotuberous species with adaxially cygneous, basally pubescent styles and cylindric pollen presenters from the Villiersdorp and Houhoek Mountains as well as the north slopes of the Riviersonderend Range, and S. balanocephala Rourke. a single-stemmed re-seeding species from the north slopes of the Langeberg. distinguished by its adaxially cygneous, basally pubescent styles and conic-acute pollen presenters.