
Trees with hand-shaped leaves
Lobes spreading from one point, like fingers: the maples and sycamore, London plane, white poplar, and the fan-shaped ginkgo. The teeth, and whether the leaves come in pairs, tell them apart.
What to look for
GinkgoA fan with forking veins
SycamoreLarge, with coarse round-tipped teeth
Norway mapleA few long teeth with fine whisker tips
Field mapleSmall, five neat lobes
White poplarWhite fur underneath all season
London planeThick and hard, set one at a time, not in pairs
jamie-aa, CC BY 4.0GinkgoFlat fans with forking veins, tufted on spurs
Kieran Roy Powell, CC BY 4.0SycamoreFive lobes, with coarse blunt teeth
Norway mapleFive lobes, few long teeth, hair-tipped
Field mapleSmall, five rounded lobes, few blunt teeth
hjcjim, CC BY 4.0White poplarFive lobes, thick white hairs beneath all season
oliverc29, CC BY 4.0London planeBroad, with three to five pointed lobes
Marco Mussita, CC BY 4.0Japanese mapleNarrow pointed lobes, cut two-thirds of the way in

In the app
Not sure? Ask the app
- Name it from a photoA leaf, the bark or a flower, and Treely names the tree
- No signal? The guided keyOne simple question at a time, about what you can see
- Every part, through the yearSo you can name it in winter as surely as in June
- A short round each dayUntil you know them on sight
Free to download.
Photographs: jamie-aa (CC BY 4.0), Kieran Roy Powell (CC BY 4.0), steve_mcwilliam (CC0), Leon Cross (CC BY 4.0), hjcjim (CC BY 4.0), oliverc29 (CC BY 4.0), Marco Mussita (CC BY 4.0). With thanks to everyone who shares their photographs on iNaturalist and Wikimedia Commons.