The male flower of the coco de mer (Lodoicea maldivica), also known as the double coconut or Seychelles nut palm. It grows uniquely on Praslin, the second-largest of the Seychelles islands. The fruit can weigh up to 20 kg/44 lb and contains the largest seed in the plant kingdom.

The female flower of the coco de mer (Lodoicea maldivica), also known as the double coconut or Seychelles nut palm. The Vallée de Mai, on the island of Praslin in the Seychelles, where the densest stands of these trees can be found, is a UNESCO World Heritage Site. The tree is also known as the double coconut or double nut, a reference to its strange double seed, the largest seed in the plant kingdom.