What is a Rilk?

I think a rilk is a Roman word I don't know what it means but is means somthing good.

What is a Rilk?

I think a rilk is a awesome plant and only found in sirten places in the world like in the amozon jungle.
It is very rear and is only found in Jungles.
It is posionis to people but not to anmials that are vegeterans.
They are very small and grow right beside trees.