The world's largest flower, called Rafflesia, can have a diameter up to one meter and can weigh up to 10 kilograms. It also smells like rotting flesh. Discovery News tells us that its genetic roots have been uncovered and that this plant that smells so bad is related to delicate flowers such as poinsettias or violets.
The flower, which is one of 20 species collectively called Rafflesia, is related to poinsettias, violets, passionflowers, and other members of the order Malpighiales, according to a paper published in the current Proceedings of the National Academy of Sciences (PNAS).
Researchers also have some intriguing theories as to why Rafflesia smells so awful, why its flowers bloom only once a year and live for five to seven days, why the plant is a parasite, and why it likes to attract flies that normally go for mounds of dead flesh.
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