'Kans grass' ''(Saccharum spontaneum)'' is a
grass native to
South Asia. It is a perennial grass, growing up to three meters in height, with spreading
rhizomatous roots.
In the
Terai-Duar savanna and grasslands, a lowland
ecoregion at the base of the
Himalaya range in
Nepal,
India, and
Bhutan, Kans grass quickly colonises exposed silt plains created each year by the retreating
monsoon floods, forming almost pure stands on the lowest portions of the floodplain. Kans grasslands are an important habitat for the
Indian Rhinoceros ''(Rhinoceros unicornis)''. In Nepal, Kans grass is harvested to thatch roofs or fence vegetable gardens.
Elsewhere, Kans grass' ability to quickly colonize disturbed soil has allowed it to become an
invasive species that takes over croplands and pasturelands.
Saccharum spontaneum has a considerable number of regional names in South Asia, for instance 'Kash' being common in Bengali. Some of these are given, along with Ayurvedic medical properties by Pankaj Oudhia (2001-3) http://www.botanical.com/site/column_poudhia/116_janjgir.html
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