East and Central North America. Broadly columnar, deciduous. Clusters of small red flowers before the leaves. Bluey-white under the leaves, which turn bright red in autumn. Prefers moist soils and will tolerate swampy soils.

Broadly columnar, deciduous. Appears to need fertile soils for good growth. Also known as rock maple. Spring sap is processed into maple syrup in USA and now in NZ. Orange is the predominant autumn colour, quite spectacular. Cold hardy.

Albania and Nth Greece. Broadly conical, deciduous. Large palmate compound leaves produce a dense shade. Large creamy white flowers, then prickly oval fruits, enclosing polished conkers prized by schoolboys in the UK. Best in fertile soils.

West Asia. Broadly spreading, deciduous. Often flat topped, late into leaf. Dark pink flowers on top of the leaves in January. The small leaflets of the compound leaves quickly disintegrate after leaf fall. Drought & heat tolerant.