Otithal Thamarai is a medicinal aquatic herb traditionally used in Siddha and folk medicine. It commonly refers to the water lily / lotus–type plant, most often identified in country-drug trade with Nymphaea species (water lily), especially Nymphaea nouchali.
The flowers, leaves, and roots are used depending on the preparation. The plant is valued for its cooling, soothing, and calming properties, and is widely used for body heat, urinary discomfort, and general cooling remedies.
Product Name: Otithal Thamarai
Botanical Identification (common): Nymphaea nouchali (Water lily)
Part Used: Flower / Leaf / Root (as per use)
Form: Fresh flowers / Dried flowers / Powder
Colour: Blue, violet, or white (flower)
Taste: Mildly bitter, astringent
Nature: Cooling
Category: Aquatic medicinal herb
Shelf Life:
Fresh: 1–2 days
Dried: 1–2 years (airtight storage)
⚠️ Based on traditional knowledge (not medical advice)
Used in remedies for excess body heat
Included in summer cooling drinks and decoctions
Traditionally used for burning urination and excessive thirst
Considered soothing to the urinary system
Believed to promote calmness and clarity
Used in traditional tonics
Decoction used for skin wash and soothing baths
Nymphaea nouchali
Nymphaea stellata (older synonym)
| Language | Name |
|---|---|
| Tamil | ஒத்திதல் தாமரை (Otithal Thamarai) |
| Sanskrit | नीलोत्पल (Neelotpala) |
| English | Blue water lily / Water lily |
| Hindi | नील कमल (Neel Kamal) |
| Telugu | నీలకమలం (Neela Kamalam) |
| Kannada | ನೀಲಿ ತಾವರೆ (Neeli Taavare) |
| Malayalam | നീല താമര (Neela Thamara) |
| Urdu / Unani | نیلوفر (Neelofar) |
Otithal thamarai
Neela thamarai
Water lily flower
Blue lotus (trade usage)
Decoction (Kashayam): Flower or root boiled in water
Powder: Dried flower powder in traditional medicines
Cooling Drink: Infused in water
External Wash: Decoction for skin and body cooling
Otithal Thamarai = Water lily (Nymphaea species)
Cooling, soothing aquatic medicinal herb
Used for body heat, urinary comfort & calmness
Parts used: flower, leaf, root
Known by many regional and classical names
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