Tree Leaf IdentifierSycamore
Which sycamore does this leaf guide describe?
This guide describes sycamore maple (Acer pseudoplatanus), the tree commonly called sycamore in Britain. It is a maple with opposite leaves and paired winged seeds. American sycamore (Platanus occidentalis) is a different tree with alternate leaves and round fruit heads.
References: NC State Extension: sycamore maple · NC State Extension: American sycamore.
Acer pseudoplatanus
Sycamore is a large maple with five-lobed leaves and winged seeds (samaras). It is widely naturalized across Europe and thrives in a range of climates. Also known as Sycamore maple, Planetree maple.
How to identify a Sycamore leaf
Leaves are 10–25 cm wide with five coarse, toothed lobes and long reddish leaf stalks.
Where it grows
Sycamore is native to Central and southern Europe and western Asia.
Seasonal interest
Foliage typically turns yellow-brown in autumn before paired winged seeds fall.
Safety note: Seeds can be toxic to horses if consumed in quantity (atypical myopathy risk).
Can a photo identify this tree?
A photo can provide a useful starting point, especially when the leaf is sharp and well lit. For a reliable identification, compare the result with the leaf edge, lobe pattern, vein structure, bark, buds, fruit, and the tree's location.
Check similar leaves
Compare more than one feature and photograph the twig or attached fruit when possible. Use a regional field guide to check lookalikes.
Related species
Compare leaf features
Sources and further reading
Prepared by Tree Leaf Identifier. Updated October 23, 2026. Guides are prepared by the app team; no independent botanical review is claimed.