Typha

Typha is a genus of about 30 species of monocotyledonous flowering plants in the family Typhaceae. These plants have a variety of common names, in British English bulrush or (mainly historically) reedmace, in American English cattail or punks, in Australia cumbungi or bulrush, in Canada bulrush or cattail, and in New Zealand raupō, bullrush, cattail, or reed. The genus is largely distributed in the Northern Hemisphere, where it is found in a variety of wetland habitats. Although they can accumulate toxins in polluted areas, many parts of the plant are edible, including the starchy rhizomes.

from Wikipedia