For William Tyson (1851–1920), Jamaican-born South African botanist, plant collector, schoolteacher. He taught in various South African schools (1874–1887), joined the forestry department as secretary to the superintendent (1888–1892), and became librarian and sub-editor of the Agricultural Journal for the agricultural department (1893–1904).
Named after Christian Frederick Ecklon (1795-1868), a Danish apothecary, plant collector and traveller. His plant collecting trips were amongst the most noteworthy of the early plant collectors and many new species were described by him.
Named after Hermann Wilhelm Rudolf Marloth (1855-1931), a German-born pharmacist, analytical chemist and botanist who collected plants in Namibia in 1886, discovering over 100 new species. A brilliant naturalist who translated his insightful observations together with art in his seminal Flora of South Africa.