Accepted name: Lobelia pedunculata
Perennial, often mat-forming herb rooting at the nodes. Leaves round to ovate, distichous, 0.5-1 cm long, 3-7 mm wide, margins toothed. Flowers unisexual, solitary, on different male and female plants, starry, white or bluish mauve, sometimes with a darker midline; spring and early summer. Male flowers with rudimentary ovary, female with pale, sterile anthers. Fruit fleshy, 0.5-1 cm long.
SA, NSW, Vic, Tas
A plant of mostly damp sites, available in blue and white forms and as the cultivars P. 'Alba' and P. 'County Park'.
Other species occasionally grown are P. puberula Benth., Trailing Pratia, with a similar distribution, and P. purpurascens (R. Br.) F. Rimmer, Whiteroot, from Qld, NSW, Vic and Lord Howe Island.
Source: (2002). Campanulaceae. In: . Horticultural Flora of South-eastern Australia. Volume 4. Flowering plants. Dicotyledons. Part 3. The identification of garden and cultivated plants. University of New South Wales Press.