Asterolasia grandiflora is a species of weak, open shrub or sub-shrub that is endemic to the southwest of Western Australia.

Asterolasia grandiflora is a weak, open shrub or sub-shrub that typically grows to a height of 20–60 cm (7.9–23.6 in).

[2][3][4] This species was first formally described in 1863 by William Jackson Hooker who gave it the name Phebalium grandiflorum and published the description in Icones Plantarum.

[7][8] Asterolasia grandiflora grows on breakaways and hills mostly between Toodyay and York in Western Australia.

[2][3] Asterolasia grandiflora is classified as "Priority Four" by the Government of Western Australia Department of Parks and Wildlife,[2] meaning that is rare or near threatened.