sentences:  "Banksia echinata" is a shrub that typically grows to a height of but does not form a lignotuber.It has serrated linear leaves that are long and wide with between nine and twenty-five sharply pointed, triangular teeth on each side.The flowers are borne on a head of between 45 and 55 flowers with narrow lance-shaped involucral bracts up to long at the base of the head.