Original: These Australian wildflowers and popular garden plants are easily recognized by their characteristic flower spikes and fruiting '' cones '' and heads . When it comes to size , banksias range from prostrate woody shrubs to trees up to 30 metres tall .
Simplified: As Australian wildflowers and popular garden plants , they are easily recognized by their characteristic flower spikes and fruiting '' cones '' and can vary from woody shrubs to trees up to 30 metres tall .