Nelumbonaceae (lotus flowers)

Family of water plants with rhizomes, found along the margins of pools in Asia, northern Australia and eastern North America.  There is one genus, Nelumbo, with 2 species. Nelumbo lutea (American Lotus, Water Chinquapin, Yanquapin) is native to North America. Nelumbo nucifera (Sacred Lotus)  is native to Asia (Iran to Japan) and northern Australia, and is cultivated in southern Africa.

Platanaceae (Plane tree family)

One genus (Platanus) and 10 species (north temperate regions), none of which is indigenous to southern Africa. However, four species and one hybrid are cultivated in the region. In particular, Platanus x hispanica (London plane) is a common street tree and is also grown in gardens.

Proteaceae (protea family)