|Distribution: This genus consists of c.15 cosmopolitan species. In Australia there
are 3 species (2 species native, 1 species naturalized) that are found in all States.
Description: The species in this genus are rrect emergent rhizomatous aquatic perennials; rhizomes extensive, branched, the branches ending in stiff, erect, leaf-bearing stems terminated by spike-like inflorescences; stems terete, rigid, pithy.
For more details regarding the description of species within this family please see: http://plantnet.rbgsyd.nsw.gov.au/cgi-bin/NSWfl.pl?page=nswfl&lvl=gn&name=Typha
Pollen Morphology: The pollen produced by this genus form a tetrad or four roughly spherical grains. However, some also occur free-standing. These tetrads are 30-45um in size and 10-15um in size for the single grains. Each component grain of the tetrad has a single pore, facing outwards. These pores are large (5um) and round but are not surrounded with a thickened ring. These grains have a prominent mesh texture.