Which genus is known for a plant called four o'clock, Mirabilis or Leucojum?
Mirabilis (plant) Mirabilis is a genus of plants in the family Nyctaginaceae known as the four-o'clocks or umbrellaworts. The best known species may be "Mirabilis jalapa", the plant most commonly called four o'clock.
Leucosidea Leucosidea sericea, commonly known as ouhout in Afrikaans, is an evergreen tree or large shrub that grows in the Afromontane regions of southern Africa. It is the sole species in the genus Leucosidea. The English name "old wood" is simply a direct translation of the Afrikaans words "ouhout" or "oudehout", meaning the same thing.