This sounds like an exam question.
Acacia. Tree.
Rhododendrons. Shrub.
Strawberries. Plant

also camellia, hydrangea, iris, go to the top of the class lol

Just name any three ericaceous plants.

Cliffo, Hydrangea, only if you prefer blue intead of pink flowers :0)

I addmit I have to use rust on mine. blue s

How about Erica and Callluna The Heathers it is named after

Pieris, Camellia, Azalea, Rhododendron, Crinodendron hookerianum - but they're all shrubs.

Cornus canadensis; Meconopsis betonificifolia; Lewisia

Leucothoe!