Heathland plant (5)
(Other definitions for erica that I've seen before include "ling" , "Female" , "Shrubs" , "Heathland shrub; girl's name" , "Plant of the heath genus" .)
(Other definitions for heath that I've seen before include "Ted - - (former PM)" , "PM 1970-74" , "Moor" , "Open land with scrubby vegetation" , "Shrubby area of open country" .)