Illustration for the question “Which flower is named for the late-afternoon time when it commonly opens?”

Nature

Which flower is named for the late-afternoon time when it commonly opens?

Correct answer Four O'Clock Flower

Fact

Did you know?

The Four O'Clock Flower, or Mirabilis jalapa, is a fascinating flower that only opens at nightfall and closes at dawn. This unique characteristic allows it to attract nocturnal pollinators, such as moths. Native to the tropical regions of America, it has been widely cultivated and appreciated for its beauty and distinctive fragrance. The ability of the Four O'Clock Flower to bloom in the darkness makes it a symbol of mystery and magic in many cultures.

Content last updated · August 23, 2026

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