GREEN BALLESTERA . It is a perennial herbaceous plant that reaches 80 cm in height and 100 cm wide, with thick succulent stem, evergreen glossy leaves. The cup-shaped flowers, yellowish-green lacing, often with purple edges on the five petals as sepals on erect stems. In the Middle Ages, because of its poisonous attributes, it was used to smear the arrowheads, but it is not lethal as is believed. Its generic name is Helleborus, which derives from the Greek name Helleborus orientalis, "helleboros"; of "helle" to "damage" and "bora" for "food", referring to its intake damaging because it is poisonous plant.