A. campestre: tree; leaves 5-lobed, with obtuse, entire or sinuate lobes; flowers in loose erect corymbs; wings of the carpels diverging horizontally. - Hedges and thickets. Fl. May, June.

A. Pseudo-platamis: tree; leaves larger, 5-lobed, the lobes toothed; flowers in pendent racemes; wings of the carpels parallel or but slightly divergent. - Sycamore. - Hedges and plantations. Fl. May.