Acanthaceae is one of 24 groups of blooming plants in the mint request (Lamiales). Spiny Bottle Brush is a tall, annual plant that only grows about half a meter tall. Oval, narrow, oppositely arranged leaves have a length of 5-10 cm. The leaves have two spinous teeth at the tip and are covered with long spreading hairs. Stalkless flowers are found in the leaf axils, crowded near the stem's peak. The blossoms, which seem to have five petals, really have just two petals which are 2 and 3 lobed. The flowers have a throat that is a light green and are dark blue in color. Ordinarily tracked down on rough slants in the Western Ghats. Flowering: November-January. Plants play a significant role in traditional medicine's treatment of many conditions.