Stackhousia
Hypanthium cup-shaped; petals free at the base, fused in the middle into a tube slightly longer on the adaxial side, distally free; stamens 3 long, 2 short, enclosed in the corolla-tube; filaments as long as or longer than the glandless anthers; ovary of 3–5 carpels; style without a membranous cup, inserted between the carpels, stigmatic lobes 3–5, spreading. Mericarps 1–5, wingless or 3-winged, connected at the base to the column by a short triangular point of attachment, leaving a triangular scar after shedding.
About 18 species; 1 in New Zealand and 17 in Australia, of which 1 extends to Micronesia.
Barker, W.R. (1999). Stackhousiaceae. In: Walsh, N.G.; Entwisle, T.J., Flora of Victoria Vol. 4, Cornaceae to Asteraceae, pp. 49–54. Inkata Press, Melbourne.