Common name: Running Marsh-flower
Ornduffia reniformis (R.Br.) Tippery & Les APNI*
Description: Stoloniferous perennial aquatic herb with floating and/or emergent leaves; stems 1-few, to 1 m high, ± erect, terminating in an inflorescence.
Leaves with lamina ± circular, 4–8 cm long, base cordate, dorsiventral; petiole 70 cm long.
Panicle open, to 3 cm long. Flowers homostylous, 19–40 mm diam. Calyx lobes 6.5–10 mm long. Corolla 12–23 mm long, yellow.
Seeds 1–1.8 mm long, pale, non-carunculate, smooth.
Flowering: Flowers spring–autumn.
Distribution and occurrence: Grows in temporary or permanent pools in swamps or depressions, usually less than 50 c. deep; south from Sydney.
NSW subdivisions: NC, CC, SC
Text by S. W. L. Jacobs
Taxon concept: Flora of NSW 3 (1992) as Villarsia reniformis
APNI* Provides a link to the Australian Plant Name Index (hosted by the Australian National Botanic Gardens) for comprehensive bibliographic data
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