Dahlia coccinea is a species in the genus Dahlia, family Asteraceae. Common name is "red dahlia" although the flowers can be orange or occasionally yellow as well as the more common red. The species is native to Mexico but has long been cultivated in other countries for its showy flowers.
Dahlia coccinea is an ugly plant.
Ugliness is subjective- the writing doesn't explicitly call it ugly or pretty. Things could go either way. 