Answer:
Plant whose name sounds like a dish full of dairy spread.
Neither bought nor sold but more valuable than gold. It is built but not by hand. What is it?
It stands upright and can be quite grand. Its secret is not hidden but right at hand. What is it?
An open ended barrel, it is shaped like a hive. It is filled with the flesh, and the flesh is alive.
My first is in blood and also in battle. My second is in acorn, oak, and apple. My third and fourth are both the same. In the center of sorrow and twice in refrain. My fifth starts eternity ending here. My last is the first of last, Oh Dear.
Black we are and much admired. Many seek us if they are tired. We tire the horse, and comfort man, and turn White when we've fulfilled your plan.