World’s 10 Largest Seeds

Seeds are one of the methods of reproduction used by plants. They are of various shapes and sizes and range from microscopic to a foot in length.

Here are the 10 largest seeds of the plant kingdom.

10. Avocado (Persea americana)

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Almost everyone knows about Avocado. It belongs to flower bearing Laurel Family(Lauraceae) and is used in a variety of cuisines. Its seed can be as long as 3 inches.

9. Idiot Fruit (Idiospermum australiense)

idiot_fruit

Idiot fruit is the only species of the genus Idiospermum. The seeds are highly toxic and can poison animals eating them. They can be up to 3.1 inches.

8. Pohon Kira-kira (Xylocarpus granatum)

xylocarpus-granatum

Pohon Kira-kira (Xylocarpus granatum) is also known as the cannonball mangrove or cedar mangrove has 4 inches seeds. It is a species of mangrove in the mahogany family (Meliaceae) and is found in Africa, Asia, Australasia and the Pacific Islands.

7. Bornean Ironwood (Eusideroxylon zwageri )

ironwood

Eusideroxylon zwageri is also the part of Laurel Family, colloquially known as Bornean ironwood in English. It is a rare timber tree native to the Brunei, Indonesia, Malaysia, and Philippines region. Its seeds can be up to 6.3 inches long by 2 inches diameter.

6. Tea Mangrove (Pelliciera rhizophorae)

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Found along the Pacific coast from the Gulf of Nicoya in Costa Rica to the Esmeraldas River in Ecuador, Tea Mangrove(Pelliciera rhizophorae) is a less-common species of mangroves. The seeds are about 4 inches in diameter.

5. Caroline Ivory Palm (Metroxylon amicarum)

Caroline Ivory Palm

Caroline ivory-nut palm also known as Metroxylon amicarum is native to the Caroline Islands. Its single-seeded fruit is 4.5 inches diameter, extremely hard, and are covered in brown, glossy scales.

4. East Indies Palmyra (Borassus sundaicus)

East Indies Palmyra

East Indian Palmyra(Borassus flabellifer) is native to the Indian subcontinent and southeast Asia. The 15–25 cm wide fruits are black to brown with sweet, fibrous pulp each enclosing up to 3 seeds.

3. Mora (Mora oleifera)

Mora_megistosperma-bottomedge

Mora is commonly acknowledged to be the largest known dicot seeds. M megistosperma seeds can grow up to 7 inches in length, 6 inches in breadth and three inches in thickness and can weight of up to 1000 grams.

2. Coconut (Cocos nucifera)

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The coconut(Cocos nucifera) is a member of the palm family. The coconut fruit is not a true nut but a drupe. A full-sized coconut can be 6 inches in length and can weigh about 1.44 kg.

1. Coco de mer (Lodoicea maldivica)

Lodoicea, commonly known as coco de mer, or double coconut belongs to the palm family. The fruit is considered the largest in the plant kingdom and requires 6–7 years to mature and a two more years to germinate. Its seeds can reach a length of about 12 inches, and can weigh up to 18 kg.

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