Banksia spinulosa
The hairpin banksia ("Banksia spinulosa") is a species of woody shrub, of the genus "Banksia" in the family Proteaceae, native to eastern Australia. Widely distributed, it is found as an understorey plant in open dry forest or heathland from Victoria to northern Queensland, generally on sandstone though sometimes also clay soils. It generally grows as a small shrub to in height, though can be a straggly tree to . It has long narrow leaves with inflorescences which can vary considerably in coloration; while the spikes are gold or less commonly yellowish, the emergent styles may be a wide range of colours – from black, purple, red, orange or yellow.
Banksia petiolaris
Endemic to Western Australia, "Banksia petiolaris" is found near the state's south coast from the vicinity of Munglinup east to Israelite Bay, concentrated in two disjunct ranges – an eastern one around Cape Arid National Park, and western one east of Scaddan. It is found in white sandy soils in kwongan or mallee heathland, but sometimes occurs with the taller "B. speciosa". It is often locally common, with many populations over 100 plants in size.