Flora of the Nilgiris

Family : Araceae
Flora of Nilgiri Biosphere (Northern Nilgiri Biosphere Reserve)

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Acorus calamus L.

Leaf arrangement


Leaf Type


Leaf Shape


Leaf Apex


Leaf Base


Leaf Margin


Habit : An aromatic marsh herb.

Habitat and Distribution : Probably introduced and commonly seen by water courses and marshes.Plains from the coast to 1200m. North temperate hemisphere and Tropical Asia.

Indigenous Information : The roots are made into a paste with milk and given to children to improve digestion.

Other relevent information : Rhizome used in traditional medicine and also to protect clothing from insect attack. Once believed to be abundant but now difficult to find growing wild.


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English : Sweet Flag
Irula : Bhajae
Tamil : Vasambu
Hindi : Gorbach
Malayalam : Vashanpa


In spadix, cylindrical, white. Flowering in July.

Fruit :

A berry, oblong. Seeds few, oblong. Fruiting in July, very rare.

All from Araceae
Flora of Nilgiri Biosphere (Northern Nilgiri Biosphere Reserve)