What is Ranawara used for in Sri Lanka?

Ranawara (Senna auriculata) is primarily used in Ayurvedic and traditional medicine. The dried flowers are most commonly brewed into a herbal tea believed to support kidney function and help regulate blood sugar levels. Leaves and bark are also used in topical preparations and decoctions for skin conditions.

What does Ranawara tea taste like?

Ranawara flower tea has a mild, slightly earthy and subtly sweet flavour with a light golden colour when brewed. It is generally described as pleasant and easy to drink, making it one of the more approachable traditional herbal teas in Sri Lanka.

Is Cassia auriculata the same as Senna auriculata?

Yes, they are the same plant. Older literature and many Sri Lankan herbal references use the name Cassia auriculata, while current botanical classification places the species in the genus Senna, making Senna auriculata the accepted scientific name. Both names refer to the same shrub known locally as Ranawara.

Where can you find Ranawara growing in Sri Lanka?

Ranawara grows widely in Sri Lanka's dry and intermediate climate zones, particularly in the North Central, Northern, Eastern, and parts of the Southern provinces. It commonly grows along roadsides, scrubland, and around ancient irrigation tank bunds, and is also cultivated in home gardens for its medicinal value.

Can diabetic patients drink Ranawara tea?

Ranawara tea is traditionally recommended in Sri Lankan Ayurveda for supporting blood sugar balance. However, people already taking prescribed medication for diabetes should consult their doctor before using it regularly, as herbal preparations can interact with pharmaceutical treatments.

What is the Sinhala name for Senna auriculata?

The Sinhala name is Ranawara (රණවරා). In Tamil, the plant is known as Avarai (ஆவாரை), a name widely used in Tamil Nadu as well as in Sri Lanka's northern and eastern regions.

When does Ranawara flower in Sri Lanka?

The main flowering period is roughly August to November, coinciding with the late dry season and early northeast monsoon in the dry zone. During this time, mature shrubs can produce dense clusters of yellow flowers, making them highly visible along roadsides and field margins.

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Senna auriculata (Ranawara)

Cassia auriculata (Ranawara; ?????) - A large shrub with very thick, finely downy branches. Leaves alternate, pinnate, 30-60 cm long; leaflets 8-12 pairs, each 5-15 cm long. Flowers in pedunculate racemes, irregular, yellow with darker veins. Pod long, ligulae, with a broad wing down the middle of each valve, membranous,10-20 cm long, and 1.3-1.6 cm broad with about 5 seeds.