It is one of the common names that referred to the poisonous plant Conium maculatum, which is better known as hemlock. Other common names are: acebuda, acedura, linojo, embude, mastranto, caneja, canerla, canaeja, sarnosa, canafierro, canafleja, canigarro, canafloja, fennel. It belongs to the family Apiaceae. Conium means of conical fruits and maculatum means spotted, dotted with spots.
Asturleones alistano localism. So they call in my land the hemlock, conium maculatum, toxic, foul-smelling plant that develops on the banks of the rivers with some similarity to parsley in their early stages of development. Also receives plenty of names among the people, as parsley of dog or Wolf or of donkey or of Toad or of witch or of male or of tonto, locoweed, mastrancho, budonos, fennel, canahueca, reeds, canaleja, canaloca, cibuta, chifletes and 50 m Il other modes.