Nolkhagra or Giant cane (Arundo donax, family: Gramineae) is a perennial tall grass attaining a height of 2-4 m. Stem is with nodes and leaf arises from each node. The plant is found along with Kaash, beside river, canal, bell-jheel, pond and dich in Bangladesh.
It is a plant of herbal quality. It is antiseptic, antineuralgic, diuretic and depurative. It is used to treat bone breaking and breathing problems. In heavy dose it is toxic and narcotic.
The water-friendly tall grass is beautiful to look at. It can be planted in lakes and the water-area of parks and gardens. It is found in North Africa and South Asia too.