Within the Las Cañadas caldera and at higher altitudes, plant species endemic to the Teide National Park include: the Teide white broom ("Spartocytisus supranubius"), which has white flowers; "Descurainia bourgaeana", a shrubby crucifer with yellow flowers; the Canary Island wallflower ("Erysimum scoparium"), which has violet flowers; and the Teide bugloss ("Echium wildpretii"), whose red flowers form a pyramid up to in height.