Family: Acanthaceae

Description: 

Erect shrubs, 1-2 m high; branches woody. Leaves simple, opposite,ovate-lanceolate, entire, acuminate at apex, rounded or acute at base; petioles 0.5-1 cm long. Flowers in axillary, few-flowered racemes. Calyx teeth 5-9, linear. Corolla purple-blue, yellowish-white or white, tube pale yellow, to 3.5 cm long, lobes obovate, obtuse. Staminal filaments glandular-hairy; anthers bearded, mucronate. Capsules 1.5-2 cm long, globose below, suddenly narrowed into a barren, sword-shaped beak.