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. Mirabilis (plant):  The best known species may be "Mirabilis jalapa", the plant most commonly called four o'clock. Leucojum: Leucojum is a small genus of bulbous plants native to Eurasia belonging to the Amaryllis family, subfamily Amaryllidoideae.
Mirabilis