ruellia simplex (also called kencana ungu, rawelia, rolia, rowlea) in the garden

acanthaceae background beautiful beauty bloom blooming blooming flowers blossom blossoming bluish botany britton britton petunia color environment five petals flora floral flower foliage garden green kencana ungu leaf lilac mexican bell natural nature ornamental park petal plant purple purple rawelia rolia rowlea ruellia ruellia simplex spring summer tropical trumpet trumpet-shaped violet violet wild petunia