Echium nervosumEchium nervosum is a species of flowering plants of the family Boraginaceae. It is endemic to Madeira. The specific name nervosum is from Latin and means "veined".DescriptionIt is a compact woody shrub, average height, maximum height. The leaves are narrow, densely haired and silver green. Its flowers are pale blue to pale bluish rose and sit in an egg-shaped inflorescence.