Plants of South Eastern New South Wales

Ornduffia reniformis

Flower and buds. Australian Plant Image Index, photographer Murray Fagg, Australian National Botanic Gardens, Canberra, ACT

Flowering stem. Photographer Don Wood, Bermagui swamp

Flowering plants. Australian Plant Image Index, photographer Murray Fagg, Australian National Botanic Gardens, Canberra, ACT

Common name

Running Marsh-flower

Family

Menyanthaceae

Where found

Aquatic in temporary or permanent pools in swamps or depressions, usually less than 50 cm deep. Sometimes in mud. Coastal. Ranges south of Bega.

Notes

Perennial herb to 1.3 m high, stolons to 2 m long. Leaves basal and alternating up the stems, 3–12 cm long, more or less round, margins entire or occasionally scalloped-toothed, bases usually deeply cordate, surfaces glossy-green above, paler or purplish beneath. Leaves of stranded plants erect, less different on either surface and less deeply cordate. Flowers yellow, 19–43 mm in diameter, with 4–6 petals joined at the base. Flowers in erect open branched clusters. Flowers mostly Oct.–Mar.. 

PlantNET description:  http://plantnet.rbgsyd.nsw.gov.au/cgi-bin/NSWfl.pl?page=nswfl&lvl=sp&name=Ornduffia~reniformis  (accessed 29 January, 2021)