From China. Fast to 40–90 ft. tall, 30–50 ft. wide, with heavy, wide-spreading limbs. Clearly shows its kinship to walnuts in its leaves: 8–16 in. long and divided into many finely toothed, oval leaflets.
Foot-long clusters of small, single-seeded, winged nuts hang from branches. Good lookingbut has only one real virtue:it succeeds well in compacted,poorly aerated soil in play yardsand other high-traffic areas.Aggressive roots make it unsuitable in garden or lawn.
P. fraxinifolia, Caucasian wingnut, is similar but has slightly larger leaflets and longer nut clusters.
Grows 18 to 30 ft. tall and wide. Can handle temperatures in the 0° to 10°F/-18° to -12°
Grows 12 to 30 ft. tall and wide.
Grows to 36 to 48 ft. high and 15 to 36 ft. wide. Narrow, 3 to 5-in.-long, light green leaves. Bark is...