Plants of South Eastern New South Wales

Zannichellia palustris

Line drawings. USDA-NRCS PLANTS database. Britton, N.L., and A. Brown. 1913. An illustrated flora of the northern United States, Canada and the British Possessions. Vol. 1: 89.

Common name

None

Family

Potamogetonaceae

Where found

Aquatic. In fresh or slightly saline stationary or slowly flowing water. Sydney at Olympic Park.

Notes

Submerged annual or perennial herb, weakly rhizomatous. Leaves mostly opposite each other, 2–7 cm long, less than 1 mm wide, ligule longer than the basal sheath, margins entire, the midvein dividing before the tip, tips pointed with a minute mucro. Male and female flowers on the same plant. Flowers tiny, male flowers with 0 petals, 0 sepals, female flowers with a minute cup-like perianth about 1 mm long. Flowers paired, the male flower at the base of the female flower. Flowering: Sep.–Apr.

Family was Zannichelliaceae.

Endangered NSW. Provisions of the NSW Biodiversity Conservation Act 2016 No 63 relating to the protection of protected plants generally also apply to plants that are a threatened species.

Endangered Vic. 

NSW Threatened Species profile:  http://www.environment.nsw.gov.au/threatenedSpeciesApp/profile.aspx?id=10847  (accessed 21 April 2021)

PlantNET description:  http://plantnet.rbgsyd.nsw.gov.au/cgi-bin/NSWfl.pl?page=nswfl&lvl=sp&name=Zannichellia~palustris (accessed 21 April 2021)