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.

S.E. USA. Large shrub, small tree, deciduous with a rounded habit. Long panicles of rich scarlet flowers make this the most beautiful of the "buckeye" group. Hardy and rare.

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.

Broadly conical, deciduous. Vigorous growth and good form. Habitat beside rivers and will grow in very wet places. Tolerates salt winds better than the other alders. Good firewood crop to utilise wet ground. Timber durable under water.