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The 164 million year old plant fossil is the oldest example of a flowering bud

They petrified Florigerminis jurassica plant with a defined stem, bulbous fruit and petrified flower bud (marked with the white arrow). (Image credit: NIGPAS)

Scientists have unearthed the earliest example of a flower bud in a 164 million-year-old plant fossil in China. The discovery strongly pushes the emergence of flowering plants back in Jurassic period, between 145 million and 201 million years ago.

The fossil, which was unearthed in Inner Mongolia in China, is 1.7 inches (4.2 centimeters) long and 0.8 inches (2 cm) wide. It contains a stem, a leaf branch, an onion-shaped fruit and a small flower bud about 3 square millimeters in size. The researchers have named the new species Florigerminis jurassica.

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