a black, corrupted flower

This flower seems to suck in all of the light that passes near it. The deep gloom that surrounds it blurs its soft, black petals. Its red centre is a stark contrast to the dark petals, though its hue would appear quite muted if compared with that of any other flower. This foul bloom exudes an acrid scent of corruption.

It is a black, corrupted flower.
It radiates an evil aura.
It weighs about an ounce.

You identify a black, corrupted flower.
It is an evil and anti-good plant.
It weighs eleven drams, and it is worth about ten celeb.
Its keywords are flower, plant, black, blackflower, black-flower, and corrupted-flower.