1, sea coconut (Lodoicea maldivica) also known as compound coconut (double coconut), undersea coconut, is the Seychelles Prahran Island and Curry Island, a kind of endemic palms, tree height 20 ~ 30 meters; leaves fan-shaped, 2 meters wide, up to 7 meters long, the largest leaf area of up to 27 square meters, like an elephant's two big ears. Because the whole tree is huge, so it is also known as "the elephant in the tree". The flowers are borne on huge fleshy spikes and are dioecious. The fruit is covered with a fleshy and fibrous skin, and the nut-like part inside is usually 2-valved, resembling two coconuts, and is edible but of little commercial value. It is the largest known fruit and takes about 10 years to mature.

2, the scientific name of the sea coconut Maldiswa coconut tree, belonging to the palm family, is one of the world's tallest tree species. Its male flowers like male genitals, fruit like a woman's pelvis, is the world's largest nut. Therefore, the sea coconut is rumored to be "the world's most aphrodisiac fruit". The shape of its fruit makes people blush when they look at it - it is very similar to the female lower body. The local Seychellois people have been using the sea coconut as a symbol of reproduction, meaning "many children".