Mexican Petunia Plant. Ruellia simplex, the mexican petunia, mexican bluebell or britton's wild petunia, is a species of flowering plant in the family acanthaceae.it is a native of mexico, the caribbean, and south america. Be sure to deeply water immediately after planting or transplanting.
Though the foliage appears lustrous and delicate, this shrubby plant can thrive in a variety of conditions, including dry or wet soil, full sun or partial shade, and requires little to no care. Wright) is an ornamental plant species popular in southeastern landscapes and gardens.it is native to mexico, the antilles, western bolivia, southwestern brazil, paraguay, uruguay and northwest argentina (ezcurran and daniel 2007), and it is also found throughout the southeastern united states (wunderlin and. The deep purple flower and dark foliage make a beautiful contrast when planted by yellow or orange flowers.