Giant Reed generally grows up to 6 m, in ideal
conditions it can exceed 10 m, with hollow stems 2-3 cm in diameter.
Leaves are alternate, 30-60 cm long and 2-6 cm wide with a tapered tip,
grey-green, and have a hairy cluster at the base. Overall, it resembles
an outsize common reed (Phragmites australis) or a bamboo. Giant Reed
flowers in late summer, bearing upright, feathery plumes 40-60 cm long,
that are usually seedless or with seeds that are rarely fertile.
Instead, it mostly reproduces vegetatively, by underground rhizomes.
The rhizomes are tough and fibrous and form knotty, spreading mats that
penetrate deep into the soil up to 1 m deep. Giant Reed is found
widely, from the Mediterranean region eastwards to North Africa, India,
Pakistan. It is also found in the Himalayas, up to altitudes of
2100-2440 m.
Identification credit: P.S. Sivaprasad
Photographed in Palakkad, Kerala.
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The flower labeled Giant Reed is ...