Acacia riceana forms a dense prickly bush up to 5 m (16 ft) in height in the wettest areas of its range. It is one of several species to have narrow pointed
phyllodes but is distinctive in having them arranged in groups of 3 to 6.
Acacia riceana bears close resemblance to
Acacia derwentiana which has similar phyllodes (only narrower) and distribution. It has dense foliage with weeping branches and flowers from July to January with seed pods maturing in January and February. ==Taxonomy and naming==