Looking At Seeds

When was the last time you thought about seeds? Not buying them, but what they are. Looking at seeds shows several things. They are truly wonderful things.

A seed is a special package designed to survive in harsh conditions. Inside is a precious cargo: a new plant.

Those who split open persimmon seeds to forecast the winter weather talk about spoons, forks and knives. What they are really talking about is a plant embryo lying in different positions inside a package of provisions to nourish it when it germinates.

giant ragweed seed
Nestled against the stem giant ragweed seeds are protected until the birds come by. Finches and sparrows hang on the stems picking the seeds out and eating them. The birds never seem to eat them all judging from the numbers of new plants showing up in the spring.

Splitting open a peanut lets you see the plant embryo too. It’s that little nubbin at one end.

Looking at seeds shows their great diversity. Lots of familiar seeds are small. A giant ragweed seed is a quarter of an inch long. That seed packs a big plant into a tiny package.

Birds love seeds for the same reason plant embryos do. That little package is packed with nutrition. It has lots of fats, carbohydrates and proteins, perfect for keeping animals warm during cold weather.

Before anyone starts feeling guilty about eating those seeds, plants make more than enough. Picture a dandelion clock. Looking at seeds in the ball will show couple dozen seeds.

looking at seeds and counting them
Dandelions are common plants usually considered weeds, but are edible. The clock or ball of seeds is easily recognized. How many seeds are in one? Each white dot is over one seed.

Now picture a lawn say 30 feet square. That gives it 900 square feet. If a dandelion plant needs a quarter of a square foot of space, that lawn can accommodate 3,600 dandelion plants.

If one dandelion plant grows in that lawn and produces seeds at the rate of 20 per ball and five balls on the plant (You do know this is a very low estimate, if you’ve ever watched a dandelion.), that one plant will quickly become one of 101 plants.

These will be large enough to bloom in a month. If each produces the same number of seeds and the original plant produces another batch, there will be 10,100 plants vying for those 3,600 spots.

We need more birds eating more dandelion seeds. And that goes for most plants. Enjoy eating some seeds today.

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