Urocarpus muricatus Paul G.Wilson Asterolasia muricata, commonly known as lemon star-bush,[2] is a species of small, slender, erect shrub that is endemic to South Australia.

It has leathery leaves covered with rough points and with the edges rolled under, and yellow flowers arranged singly or in groups of up to three, with woolly star-shaped hairs on the back of the petals.

The petals are yellow, broadly elliptical, about 5 mm (0.20 in) long and covered with woolly, star-shaped hairs on the back.

There are ten stamens[3][4] Asterolasia muricata was first described in 1912 by John McConnell Black who published the description in Transactions and Proceedings of the Royal Society of South Australia.

[5][6] Asterolasia muricata grows in sandy heath and is found on Kangaroo Island and on the southern tip of the Fleurieu Peninsula in South Australia.