Strobilanthes dyeriana (Persian shield) is a tropical plant native to Myanmar. It is grown for its dark green foliage with bright, metallic-purple stripes radiating outward from the central leaf vein. In proper conditions, it will also produce pale purple flowers. Persian shield grows best outdoors in USDA zones 9 and 10, although it can survive in other zones as a houseplant given sufficient temperature, soil moisture and humidity. It has gained the Royal Horticultural Society's Award of Garden Merit.