The smallest seed

It is often used to describe the seed of "small", 1 kg of sesame there as much as 250,000. However, the plant's seed, also smaller than sesame Duozhao Ne. 50,000 sesame seeds, 200 grams of weight, but the 50,000 tobacco seeds, only 7 g weight. Begonia four seeds still small, 50,000 is only 0.25 grams. A little sesame seed Begonia than a Four Seasons to 1,000 times the weight. However, do not think that this is the smallest of plant seeds. There is a plaque plants called Pleione, it's just a small seed like dust, like 50,000, only 0.025 grams of seed weight, 100,000,000 yelan spot only a two seed. There have been no smaller than that found in the seeds.

This tiny spot yelan seed structure is very simple, only a thin layer of seed seed coat and a few for their own growth, development needs nourishment, so they do not have a strong vitality, easily collapse. However, they may light dust, flying in the wind, spread everywhere, the number of seeds was more impressive, there are a number of end-to-access on behalf of the species. This is also the biological characteristics of an adaptation.