mexican petunia or ruellia simplex is a perennial evergreen that is also referred to as ruellia brittoniana

blossom blue bluebell brittoniana brittons common considered cuba cultivar cultivars discovered evergreen eye flower foot grow herb include leaf lilac mexican name names nature orchid perennial petal petunia pink plant produce purple referred ruellia showersa shrub simplex state tall texas wild wildflower achichia akatiea apurple adwarfa