Banksia undata (Urchin Dryandra)

Banksia undata, commonly known as urchin dryandra, is a species of shrub that is endemic to the southwest of Western Australia. It has sessile, wedge-shaped, wavy, serrated leaves, pale yellow flowers in heads of between 80 and 160, and later up to eight follicles in each head.

Urchin dryandra occurs between Clackline, Dwellingup and Bannister where it grows in jarrah forest. Variety splendens is found from the Brookton Highway south to Bannister and var. undata between Clackline and Dwellingup.