Description
There’s 96 species of evergreen perennial but also scrambling climbers, shrubs and small trees, occurring in areas ranging from coastal dunes to damp, subalpine regions in Australia and Polynesia. They have alternate, rarely opposite, rounded to linear, entire or toothed leaves, and bear solitary or few flowered cymes or racemes of distinctive, fan shaped flowers. Usually grown as an annual.
Outdoors, grow in moderately fertile, humus rich, moist but well drained soil in full sun or light, dappled shade.