Ing timbu metung yang maragul a pilmihan (perennial) a dikut a mayayakit kareng mabasang labwad (wetlands) kareng anggang lugal a kasantingan pali (temperate) ampong maliangan (malisangan) king mabilug a yatu. Neng kayi, tuturing deng magdili-diling species ning genus ing Phragmites australis, dapot deng aliwang botanist pipitnan de ing Phragmites australis kareng atlu o apat a species. Partikular, ing South Asian Khagra Reed – Phragmites karka – tuturing deng aliwang species.