Rumicastrum corrigioloides (synonym Calandrinia corrigioloides) is an annual herb[2] in the family Montiaceae, and is native to Western Australia, South Australia, and Victoria.

It flowers from August to November and grows on sandy soils in swampy depressions, flats, and sand dunes.

[2] The stems of the flowers (pedicels) are 0.5–2 mm long and spreading to reflexed in fruit.

The bracts are leafy and alternate, the sepals are persistent and the 4 or 5 petals are white to pale-pink.

The capsule is three valved and narrow-ovoid to elongate-cylindrical, and the seeds are black, shiny, and smooth and 0.7–1 mm in diameter.