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Ceylon Slitwort

Submitted by admin on 4 February 2026
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Scientific name
Leucas aspera (Willd.) Link
English Name
Ceylon Slitwort
Malayalam name
തുമ്പ
Common name
Thumbai

Description

  1. Habit : Herb
  2. Habitat : Deciduous forests and wastelands 
  3. Leaves : Sub-sessile, linear-lanceolate
  4. Flowers : White, small, in dense terminal or axillary whorls 
  5. Fruits : Nutlets, oblong. 
     
Uses

Carminative, digestive,anti-inflammatory and expectorant

Parts used
Leaves and flowers
How to use
  1. Headache : Fresh leaves are pounded into paste and applied on forehead to relieve headache. 
  2. Used as eye drop : Juice of leaves are used as an eye drop in encephalopathy due to worm infestation in children.

Propagation & Cultivation

Ensuring proper sunlight exposure,Thumbai thrives in full sun to partial shade. It is important to provide moderate watering, allowing the soil to dry out between sessions. Special attention should be given to avoiding waterlogged conditions, which can lead to root rot in Thumbai.