Greek trochos—wheel, dendron—tree, in reference to the stamens that spread like the spokes of a wheel.For description see species.

Source: Spencer, R. (1997). Trochodendraceae. In: Spencer, R.. Horticultural Flora of South-eastern Australia. Volume 2. Flowering plants. Dicotyledons. Part 1. The identification of garden and cultivated plants. University of New South Wales Press.