Question 1

What is Vernonia cinerea used for in traditional medicine?

Accepted Answer

Vernonia cinerea is used in Ayurvedic medicine for fever, respiratory conditions such as asthma and coughs, skin inflammations, and digestive complaints. The seeds, leaves, roots, and aerial parts are each used in different preparations. Traditional use should be guided by a qualified Ayurvedic practitioner.

Question 2

What is the Sinhala name for Vernonia cinerea?

Accepted Answer

In Sinhala, Vernonia cinerea is commonly known as Monara kudumbiya (මොනර කුඩුම්බිය). It is also referred to by various common English names including little ironweed and ash-coloured fleabane.

Question 3

Where does Vernonia cinerea grow in Sri Lanka?

Accepted Answer

The plant grows widely across Sri Lanka's dry and intermediate zones, particularly in open, disturbed habitats such as roadsides, field margins, scrubland, and paddy field edges. It is most common in the lowlands and is not typically found at high elevations.

Question 4

Is Vernonia cinerea an Ayurvedic plant recognised in Sri Lanka?

Accepted Answer

Yes. Vernonia cinerea is included in the official catalog of Ayurvedic medicinal plants recognised by Sri Lankan authorities. It has been used in Sri Lanka's traditional healing system for centuries and continues to be used in both classical formulations and by individual practitioners.

Question 5

What bioactive compounds are found in Vernonia cinerea?

Accepted Answer

Research has identified several bioactive compounds in the plant including lupeol, stigmasterol, chlorogenic acid, flavonoids, and alkaloids. Laboratory studies have reported antioxidant, anti-inflammatory, antimicrobial, and antipyretic properties, though most research remains at the preclinical stage.

Question 6

What does Vernonia cinerea look like and how can I identify it?

Accepted Answer

It is a slender herb growing to around 30–80 cm tall, with hairy greyish-green stems and ovate, toothed leaves. The flowerheads are small and lilac-purple in colour, appearing in clusters at the branch tips. After flowering, the plant produces small seed-like fruits with a white feathery tuft that helps them disperse in the wind.

Question 7

Can Vernonia cinerea be used as a home remedy for asthma?

Accepted Answer

The seeds of Vernonia cinerea have traditionally been used in Ayurvedic preparations for asthma and bronchial conditions, and some laboratory studies have investigated this property. However, asthma is a serious medical condition and the plant should not be used as a substitute for medical treatment. Consult a registered Ayurvedic or medical practitioner before use.