| Strobilanthes dyeriana | |
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Scientific classification  | |
| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Eudicots |
| Clade: | Asterids |
| Order: | Lamiales |
| Family: | Acanthaceae |
| Genus: | Strobilanthes |
| Species: | S. dyeriana |
| Binomial name | |
| Strobilanthes dyeriana | |
Strobilanthes dyeriana, the Persian shield or royal purple plant, [1] is a species of flowering plant in the acanthus family Acanthaceae, native to Myanmar (formerly Burma).
The Latin specific epithet dyeriana honours the English botanist Sir William Turner Thiselton-Dyer (1843–1928). [2]
Growing to 1 m (3.3 ft) tall and broad, it is a tropical evergreen shrub, cultivated 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.
With a minimum temperature of 10 °C (50 °F), S. dyeriana grows best in USDA Zones 10–11. [3] In more temperate climates it is grown as a houseplant. It prefers a warm, humid position in good light. As the intense purple colour may fade with age, it is often treated as an annual. [3] In the UK it has gained the Royal Horticultural Society's Award of Garden Merit. [1] [4] S. dyeriana is sold as a very common landscape plant due to its vibrant colors. In order to produce a high quality version of this plant, it is best to use a 200 mg*L-1*N from a complete fertilizer. [5]
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