Rhynchospora corymbosa (L.) Britton
Britton, N.L. (1892) Transactions of the New York Academy of Sciences 11 : 84.
Attains a height of about 1.5 m but also flowers and fruits when smaller.
Fruits almost spindle-shaped, about 6-7 mm long, divided into a soft upper part and a harder lower part with the dividing line marked by a distinct groove. Bristles persistent at the base of the fruit.
Occurs in NT, CYP, NEQ, CEQ and southwards to north-eastern New South Wales. Altitudinal range in northern Australia from near sea level to 750 m. Usually grows in swampy situations, sometimes on the edge of rain forest or in disturbed rain forest. Also occurs in Asia, Malesia and the Pacific islands.