Centropogon cornutus (L.) Druce Centropogon cornutus (L.) Druce in Bot. Exch. Club Soc. Brit. Isles 3(5): 416. 1914 sec. Rzedowski 2019≡Lobelia cornuta L., Sp. Pl. 2: 930. 1753 syn. sec. Rzedowski 2019