Echium decaisnei subsp. purpuriense
Synonymy
Source: Valdés, B. & Raab-Straube, E. von (2011+): Boraginaceae. – In: Euro+Med Plantbase - the information resource for Euro-Mediterranean plant diversity.
Echium decaisnei subsp. purpuriense, Cuad. Bot. Canaria 12: 5. 1971