Question 1

What is Orthosiphon aristatus used for in Ayurveda?

Accepted Answer

In Ayurvedic medicine, Orthosiphon aristatus is primarily used as a diuretic to support kidney and urinary tract health. It is traditionally prepared as a leaf infusion and used to address conditions such as urinary tract infections, kidney stones, gout, and fluid retention. Some practitioners also use it in formulations targeting blood pressure and inflammation.

Question 2

What is the local Sinhala name for Orthosiphon aristatus in Sri Lanka?

Accepted Answer

In Sri Lanka, Orthosiphon aristatus is commonly referred to by its Sinhala name Bim Thumba. It is listed in the country's official catalogue of Ayurvedic medicinal plants and is cultivated by traditional healers across the island's lowland and mid-country regions.

Question 3

Is Orthosiphon aristatus the same as cat's whiskers plant?

Accepted Answer

Yes, Orthosiphon aristatus is widely known as the cat's whiskers plant, a name that refers to its distinctive long stamens that protrude well beyond the petals. It is also called Java tea, particularly in reference to the herbal tea made from its dried leaves, which is popular across South and Southeast Asia.

Question 4

How do you make Orthosiphon aristatus tea?

Accepted Answer

Orthosiphon aristatus tea is made by steeping fresh or dried leaves and stems in hot water for several minutes. The resulting infusion is pale in colour with a mild, slightly bitter taste. It is typically consumed without milk, in the manner of a herbal tisane. Standardised dried leaf preparations are also commercially available in some markets.

Question 5

Where can you find Orthosiphon aristatus growing in Sri Lanka?

Accepted Answer

The plant is found in moist lowland and mid-country areas of Sri Lanka, growing in home gardens, along roadsides, and in cultivated Ayurvedic herbal plots. It thrives in humid tropical conditions with well-drained soil and moderate to full sunlight, conditions widely available across the island's wetter zones.

Question 6

Are there any side effects of Orthosiphon aristatus?

Accepted Answer

Orthosiphon aristatus is generally considered safe when consumed in moderate amounts as an herbal tea. Its strong diuretic effect means it should be used with caution by people with kidney disease, those taking diuretic medications, and pregnant or breastfeeding women. Consulting a qualified practitioner before regular use is recommended.

Question 7

What active compounds are found in Orthosiphon aristatus?

Accepted Answer

The plant contains a range of bioactive compounds including rosmarinic acid, sinensetin, and various flavonoids and polyphenols. These are associated in scientific literature with antioxidant, anti-inflammatory, and antimicrobial properties. Research continues to investigate how these compounds contribute to the plant's observed diuretic and metabolic effects.