Wurmbea sinora is a species of plant in the Colchicaceae family that is endemic to Australia.
The species is a cormous perennial herb that grows to a height of 1.5âÂÂ8 cm. Its white flowers appear from July to September.
The species is found in the Avon Wheatbelt, Esperance Plains, Jarrah Forest, Mallee and Warren IBRA bioregions of south-western and southern Western Australia. It grows in loam and sandy clay soils over granite rocks in seasonally-wet areas and salt marshes.