co·lum·ne·a 
(kə-lŭmnē-ə)
(kə-lŭmnē-ə)n.
Any of various bushy or trailing tropical American plants of the genus Columnea, grown indoors for their showy colorful tubular flowers.
[New Latin Columnea, genus name, after Fabius Columna, latinized name of Fabio Colonna (1567-1650?), Italian botanist.]