- four-o'clock
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/fawr"euh klok', fohr"-/, n.1. a common garden plant, Mirabilis jalapa, of the four-o'clock family, having tubular red, white, yellow, or variegated flowers that open late in the afternoon.2. any plant of the same genus.[1750-60]
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Ornamental perennial plant (Mirabilis jalapa; family Nyctaginaceae), also called marvel-of-Peru or beauty-of-the-night, native to the tropical New World.It is a quick-growing species up to 3 ft (1 m) tall, with oval leaves on short leafstalks. The stems are swollen at the joints. The plant is called four-o'clock because its flowers, which vary from white and yellow to shades of pink and red, sometimes streaked and mottled, open in late afternoon (and close by morning).* * *
▪ plantalso called marvel-of-Peru , or beauty-of-the-night(Mirabilis jalapa) ornamental perennial plant, of the family Nyctaginaceae, native to tropical America. Four-o'clock is a quick-growing species up to one metre (three feet) tall, with oval leaves on short leafstalks. The stems are swollen at the joints. The plant is called four-o'clock because its flowers, from white and yellow to shades of pink and red, sometimes streaked and mottled, open in late afternoon (and close by morning). There are 45 species in the Mirabilis genus of herbs.* * *
Universalium. 2010.