flora of tenerife - echium wildpretii

anthers arranged beautiful beauty biennial blue boraginaceae bugloss canadas canaries canary common cone conical content covered del echium endemic erect filament flower flowering hair height herbaceous high inflorescence island islands jewels may mount names national natural nature nectar ornamental park plant pollen rare ravines red rojo short silvery soil species spiral spring stamen subalpine summer tajinaste tall teide tenerife tentacles tower use volcanic volcano wildpretii zone