There are different varieties of sunflowers (Helianthus annuus) and each has its own particular seed. The black oil sunflower seed is small - maybe a little smaller than the nail on your pinky finger, and thin. You wouldn't think something so small could be so powerful in the products it can make. The mammoth sunflower seed is big, striped, and fat. It can be almost as big as the nail on your thumb.
sunflower
A sunflower seed is an achene which means a simple dry fruit. The sunflower seed are referred to as the fruit of the Sunflower because it is produce by the plant.
in late spring,sunflower seed will germinate
There is no need to do this with domesticated sunflower seed.
The shell of a sunflower which is white and black striped protects the seed inside of it. The seed, if planted becomes a sunflower plant.
No, it is a dicot.
A sunflower seed is the fruit of the sunflower. The seed is referred to as a achene when it is inside of its shell or pericarp.
sunflower seed
it depends on the type of sunflower
U.S. sunflower seed production was 2.49 billion pounds in 2002
U.S. sunflower seed production was 3.54 billion pounds in 2000
yes sunflower is useful in cholesterol