1. Tamilnadu state board syllabus
MEDICINAL HERBS
SCIENCE
Standard:VIII
Tamilnadu state board syllabus

2. Created by, M.Kohila,M.Phil(Tam),B.A.(Eng),B.Ed.,B.A.(His)
Secondary Grade teacher,
S.M.R.V.H.S.S.
Vadasery,
Nagercoil
Kanyakumari District,
Tamilnadu

3. Vallarai Botanical name Centella asiatica Family Umbelliferae Uses
Leaves and stem – used in the
preparation of the drug.
Roots and seeds used as medicine.
Leaves consumed for improving memory
power.
Used in the treatment of leprosy and TB.

4. Thulasi Botanical name Ocimum sanctum Labiatae Uses Family Medicinal.
Antibacterial.
Useful in caugh and bronchitis.

5. Nellikkaai Botanical name Phyllanthus emblica Family Phyllanthaceae
Uses
All parts of the plant are used in
various ayurvedic medicine.
Treat constipation.
Enhance digestion.

6. Katrazhai Botanical name Aloe barbadensis Family Liliaceae Uses
Leaf juice is used as a medicine for skin disease.
Treats constipation, and as a purgative

7. Kuppai maeni Botanical name Acalypha indica Family Euphorbiaceae Uses
The whole plant constitutes drug-Acalypha
Useful in pneumonia and asthma.

8. Vellai poondu Botanical name Allium sativum Family Liliaceae Uses
Medicine for caugh.
Cures Whooping caugh.
Cures Asthma.
Cures Constipation.

9. Kizhanelli Botanical name Phyllanhus amarus Family Euphorbiaceae Uses
Entire plant is medicinal.
Medicine for jaundice and ulcers.

10. Manathakkalli Botanical name Solanum nigrum Family Solanaceae Uses
Whole plant is medicinal
Used for mouth ulcers
Anticeptic
Used as a tonic
Treating skin deseases.

11. Kandan kathiri Botanical name Solanum xanthocarpum Family Solanaceae
Uses
Whole plant is medicinal.
Used for constipation.
Reduces hypertension.
Cures cough and epilepsy.

12. Ginger Botanical name Zingiber officinalis Family Zingiberaccae Uses
Rhizome is medicinal
Used to control nausea and
indigestion.
Used as an appetiser.

13. Castor Botanical name Ricinius communis Family Euphorbiaceae Uses
Castor oil is used as a purgative. 13

14. Turmeric Botanical name Curcuma longa Family Zingiberaceae Uses
Rhizome is used for
Treating ulcers and cosmetics. 14

15. Hena Botanical name Lawsonia inermis Family Lythraceae Uses
Used as an Ayurvedic medicine.
Leaves have medicinal
property.
Used for bridal decoration. 15

16. Nannari Botanical name Hemidesmus inducus Family Periplocaceae Uses
Roots used in water as chilling agent. 16

17. Karisalangkanni Botanical name Eclipta prostrata Family Compositae
Uses
Used in siddha medicine
Used to cure jaundice. 17

18. presentation at school Click here to watch the video
Teacher powerpoint
presentation at school
Click here to watch the video