Say what you see. Can you identify the veg?

Clue 1
Close up photo of a long and fat green vegetable 

My body part is used to refer to the cob.

Clue 2
Photo of this vegetable growing in the soil surrounded by long leaves

I grow up to 3 metres high in a field.

Clue 3
Photo of this vegetable which is small, yellow and round

I am good for fibre which keeps your gut healthy.

Have you guessed what I am?

Shockingly scary sweetcorn!

Colour in some sweetcorn!

Shockingly scary sweetcorn