Plants of South Eastern New South Wales

Haloragis exalata subsp. exalata

Flowering stem. Australian Plant Image index, photographer Murray Fagg, Australian National Botanic Gardens, Canberra, ACT

Flowering stems. Australian Plant Image index, photographer Murray Fagg, Australian National Botanic Gardens, Canberra, ACT

Plant. Australian Plant Image index, photographer S Douglas, Marramarra National Park north of Sydney

Common name

Square raspwort

Family

Haloragaceae

Where found

Damp places near streams. Coastal north from Cuttagee Lake south of Bermagui. Kosciuszko National Park. Rarely elsewhere.

Notes

Shrub to 1.5 m tall. Stems more or less square, 4-ribbed, hairless to finely rough. Leaves opposite each other below, alternating up the stems just below the flowers, usually 6–10 cm long, 13-25 mm wide, with coarsely toothed margins. Flowers with 4 yellow-green to reddish petals each 2.5-3.3 mm long, and 4 styles, in clusters of 3-15 flowers. Seed cases oval, 2-2.5 mm long, with 4 ribs, smooth to corrugated (needs a hand lens or a macro app on your phone/tablet to see).

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

NSW Department of Environment and Heritage Threatened Species profile:  http://www.environment.nsw.gov.au/threatenedSpeciesApp/profile.aspx?id=10392 (accessed 19 April 2021)

PlantNET description:  http://plantnet.rbgsyd.nsw.gov.au/cgi-bin/NSWfl.pl?page=nswfl&lvl=sp&name=Haloragis~exalata (accessed 19 April 2021)