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What is the World's Largest Seed?

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The coco de mer has the world's largest seeds Image by genome4hire via Flickr Creative Commons
Question: What is the World's Largest Seed?
Answer:

The world's largest seed comes from the Coco de Mer (Lodoicea maldivica). Other common names used are Seychelles Island Palm, coco fesse, Maldive coconut, sea coconut, and double coconut. It originates from the islands of Praslin and Curieuse in the Seychelles Islands.

According to Bluepeace, "a single seed may be 12 inches long, nearly three feet in circumference and weigh 20kg". The Coco de Mer is a drupe.

Because it has the largest seed embryo, a tropical tree (Mora oleifera) found in South American tidal marshlands and estuaries is another possibility for the world's largest seed. Palomar College says that "seeds of M. oleifera may be up to 7 inches (18 cm) long and up to 5 inches (8 cm) wide."

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