Datura ferox, commonly known as Long Spined Thorn Apple and Fierce Thornapple, as well as Angel's-trumpets, is a species of Datura. Like all such species, every part of the plant contains deadly toxins that can kill animals (including humans) that ingest it. Its fruit, red-brown when ripe, has unusually long thorns or spikes.The species was first described in 1756 by Linnaeus. Ferox means "strongly fortified," referring to the fearsome-looking spines on the seed pod.