Question 1

What is Adenostemma lavenia used for in Ayurveda?

Accepted Answer

In Sri Lankan Ayurveda, Adenostemma lavenia — known locally as Kiri-anguna — is used in preparations for liver and spleen disorders, inflammatory conditions, and skin ailments. Leaf pastes are applied topically in some traditions for headache and mild fever. Use should always be under the guidance of a qualified Ayurvedic physician.

Question 2

Where does Adenostemma lavenia grow in Sri Lanka?

Accepted Answer

It grows mainly in Sri Lanka's wet zone, favouring damp, shaded habitats such as stream banks, paddy-field edges, and secondary forest understorey. It is commonly found below around 1,500 m elevation in the island's southwestern quarter, including forest trails in the Sinharaja area.

Question 3

What is the Sinhala name for Adenostemma lavenia?

Accepted Answer

The plant is commonly called Kiri-anguna in Sinhala. It is also referred to by various vernacular names in other South and Southeast Asian languages where the species is found.

Question 4

Is Adenostemma lavenia an endemic plant to Sri Lanka?

Accepted Answer

No, it is not endemic. The species has a wide pantropical distribution, occurring naturally from India and Japan through Southeast Asia to Australia and parts of the Pacific. However, it has a well-documented place in Sri Lanka's Ayurvedic pharmacopoeia.

Question 5

What family does Adenostemma lavenia belong to?

Accepted Answer

Adenostemma lavenia belongs to the Asteraceae family, commonly known as the daisy or composite family. It produces small white discoid flower heads and sticky gland-tipped achene fruits that aid seed dispersal.

Question 6

Can tourists visit Ayurvedic plant gardens in Sri Lanka?

Accepted Answer

Yes. Medicinal plant gardens and Ayurvedic centres are widespread, particularly in the Kandy and Matale districts and the southern coastal belt. Many offer guided walks where practitioners explain plants like Adenostemma lavenia in context. Specialist naturalist guides can arrange more in-depth botanical experiences.

Question 7

Is Adenostemma lavenia endangered or protected?

Accepted Answer

The species is not listed as threatened by the IUCN. Its adaptability to disturbed, secondary habitats means its populations remain stable across Sri Lanka's wet zone. Conservation attention in these habitats is directed more at rare endemic species that share the same ecosystem.