Plane Tree (Platanus spp.)

General Information

Family: Plane family (Platanaceae)
Flowering period in Central Europe: Early to Full Spring
Months: 4–5

Allergy potential
Low allergenicity. Main allergen Pla a1. In some regions of Spain and southern France, high plane tree pollen concentrations can occur and may cause intense allergic reactions in sensitized individuals.

Not known.

Botanical Information

Native to North America, eastern Mediterranean including Italy, Southeast Asia, widely distributed and cultivated as street or park trees.

Botanical information
Habit — Tree. Foliage — Summer-green, leaves lobed, deeply incised, very similar to maple leaves, leaf margin doubly serrated. Reproduction — Monoecious, ♂ inflorescence stalked, globose, ♀ inflorescence stalked, globose.

Common species in Europe

American sycamore (Platanus occidentalis).
Habit — tree. Distribution — Originally in North America, it is relevant for forestry in Europe due to rapid growth.

Oriental plane (Platanus orientalis).
Habit — tree. Foliage — Summer-green.  Distribution — Asia Minor and Southeast Europe, a rare natural occurrence in Central Europe due to susceptibility to frost.

London plane (Platanus × hispanica).
A hybrid of P. occidentalis and P. orientalis. Habit — tree. Foliage — Summer-green. Distribution — Cultivated as a park tree.