Strobilanthes dyerianus Mast.

Persian Shield

Evergreen shrub to over 1 m tall. Leaves to over 15 cm long, ovate-lanceolate, dark green above, suffused with purple and silver, dark purple below, margin toothed. Flower clusters in short axillary spikes. Flowers about 3 cm long, pale blue, funnel-shaped; summer.

Burma

Source: Spencer, R. (2002). Acanthaceae. In: Spencer, R.. Horticultural Flora of South-eastern Australia. Volume 4. Flowering plants. Dicotyledons. Part 3. The identification of garden and cultivated plants. University of New South Wales Press.