Question 1

What is Wrightia arborea used for in Ayurveda?

Accepted Answer

In Sri Lanka's Ayurvedic tradition, Wrightia arborea is used in preparations targeting skin conditions, inflammation, and wound healing. The bark, leaves, latex, and roots are all referenced in traditional formulations. Any medicinal use should be guided by a qualified Ayurvedic practitioner.

Question 2

What is the Sinhala name for Wrightia arborea?

Accepted Answer

The tree is commonly referred to as Rivi Essa in Sinhala, though vernacular names can vary across different regions of Sri Lanka. It is also known by regional synonyms in Tamil-speaking communities in the north and east of the island.

Question 3

Where can I find Wrightia arborea in Sri Lanka?

Accepted Answer

Wrightia arborea grows naturally in the dry and intermediate zones of Sri Lanka, particularly in the North Central, Northern, and Eastern provinces. It favours open woodland, scrubland, and forest margins with rocky or well-drained soils.

Question 4

Is Wrightia arborea endangered or protected in Sri Lanka?

Accepted Answer

Wrightia arborea is not currently classified as a threatened species in Sri Lanka and is reasonably widespread across suitable habitats in the dry zone. However, like many native medicinal trees, its populations can be affected by habitat clearance and over-harvesting of plant parts for traditional medicine.

Question 5

What family does Wrightia arborea belong to?

Accepted Answer

Wrightia arborea belongs to the family Apocynaceae, a large family of flowering plants that includes many latex-producing trees and shrubs. Within this family, the genus Wrightia contains a number of species used in traditional medicine across tropical Asia.

Question 6

Are there any scientific studies on Wrightia arborea?

Accepted Answer

Several studies have investigated the phytochemistry of Wrightia arborea, identifying compounds such as alkaloids, flavonoids, and tannins. In-vitro research has explored potential antimicrobial and anti-inflammatory properties, though comprehensive clinical studies in humans are still limited.

Question 7

Can visitors learn about medicinal plants like Wrightia arborea in Sri Lanka?

Accepted Answer

Yes, the Royal Botanic Gardens in Peradeniya maintains collections of Sri Lanka's native and medicinal flora and provides an accessible introduction to the island's botanical heritage. Some eco-tourism operators also offer guided forest walks in dry zone areas where medicinal plants grow in their natural habitat.