Greek tetra — four, theke— case, referring to the 4-chambered anthers.

Compact to open, mostly hairy shrubs. Leaves sometimes reduced and scale-like. Flowers with sepals 4(5), mostly dark-coloured and not persistent in fruit. Petals 4(5), mostly lilac-pink but occasionally white, pale pink or dark lilac. Stamens mostly 8. Ovary flattened. Fruit a capsule opening longitudinally.

Grown for the delicate habit and flowers.

c. 50 species endemic to Australia.

Semi-hardwood cuttings.

Delicate, simple, mostly 4-petalled, pink to lilac, often black-eyed flowers.

Thompson (1976).

Source: Spencer, R. (2002). Tremandraceae. In: Spencer, R.. Horticultural Flora of South-eastern Australia. Volume 3. Flowering plants. Dicotyledons. Part 2. The identification of garden and cultivated plants. University of New South Wales Press.