Echium wildpretii is an herbaceous biennial plant that grows up to 3 m in height. The species is endemic to the island of Tenerife, and is found mainly in Las Cañadas del Teide. The common names are tower of jewels, red bugloss, Tenerife bugloss or Mount Teide bugloss. The Spanish word for this plant is tajinaste.
The plant grows in the subalpine zone of the ravines of Mount Teide. It requires a lot of sun and is found in arid and dry conditions, but it tolerates frost down to -5 C.
It is a biennial, producing a dense rosette of leaves during the first year and an erect inflorescence between 1 and 3 m tall in the second year
The plant blooms from late spring to early summer in Tenerife.