Annual forb to 30cm tall. Leaves basal and scattered up the stems, to 5cm long, hairless or hairy or rough, lobed, the lobes flat to linear. Becoming leafless. Flowers green to purple, with 4 petals, in few flowered clusters at the tops of the stems.
Description and photo in G.M. Cunningham, WE Mulham, PL Milthorpe and J H Leigh (1981 and later printings) Plants of Western New South Wales page 336
PlantNET Fruiting plants. Photo: Don Wood, Scotia Sanctuary, NSW: http://plantnet.rbgsyd.nsw.gov.au/cgi-bin/NSWfl.pl?page=nswfl&lvl=sp&name=Stenopetalum~sphaerocarpum