Ptilotus exaltus var. exaltatus (also Pink Mulla Mulla) is one of the largest mulla mullas. This ephemeral in a good season grows to 1.5m tall, though in poor years it may be only a few cm tall. There is a basal rosette of spathulate-oblanceolate smooth leaves up to 10 cm long, the stem leaves being shorter.
Threlkeldia diffusa, also known as Coast Bonefruit, is a perennial herb which occurs in coastal areas and saline flats in Australia. It is sometimes prostrate or may grow up to 0.4 metres in height. The green flowers occur between October and November (spring) in its native range.