Banksia shuttleworthiana is a low, spreading shrub that typically grows to a height of  and forms a lignotuber. It has thin, woolly-hairy stems with undeveloped flower heads. The leaves are linear, pinnatisect,  long and  wide on a petiole about  long.
Banksia shuttleworthiana is a low-growing, spreading shrub that usually reaches a height of  and forms a lignotuber. It has slender, woolly-hairy stems with undeveloped flower heads. The leaves are linear, pinnately divided,  long and  wide on a petiole about  long.