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Detailed explanation-1: -The discovery of the novel flower species, which the researchers named Nanjinganthus dendrostyla, throws widely accepted theories of plant evolution into question, by suggesting that they existed around 50 million years earlier.

Detailed explanation-2: -In 2015 scientists reanalyzed the fossils of Montsechia vidalii, an aquatic plant discovered in Spain, and identified it as one of the oldest known angiosperm plants-130 million years old, from the Lower Cretaceous.

Detailed explanation-3: -Called Nanjinganthus, the plant dates back to more than 174 million years ago, making it the oldest known record of a ‘true’ flower by almost 50 million years. Contrary to mainstream belief, this would place the apparition of flowering plants to the Early Jurassic, the period that saw dinosaurs dominating the planet.

Detailed explanation-4: -Researchers have uncovered the earliest example of a flower bud in a 164 million-year-old plant fossil in China. The discovery firmly pushes back the emergence of flowering plants into the Jurassic period, between 145 million and 201 million years ago.