It has red flowers .
Grevillea heliosperma , commonly known as the rock grevillea , is a shrub native to northern Australia , generally growing around 3 to 5 m ( 9.8 to 16.4 ft ) tall , rarely to 8 m ( 26 ft ) .
Grevillea heliosperma has red flowers .
Grevillea heliosperma , commonly known as the rock grevillea , is a shrub native to northern Australia , generally growing around 3 to 5 m ( 9.8 to 16.4 ft ) tall , rarely to 8 m ( 26 ft ) .