Grevillea thyrsoides, is a small, spreading shrub which is endemic to Western Australia. It grows to between 0.3 metres and 0.7 metres in height and is up to 1.5 metres in width. It produces red flowers in late summer to early autumn and mid-winter to early spring (February to March and July to September in Australia.) The species was formerly described in 1855 by Swiss botanist Carl Meissner in Hooker's Journal of Botany and Kew Garden Miscellany based on plant material collected by James Drummond.