Trees with nuts and acorns

Look at the case as well as the nut: a cup, a spiny husk or a leafy one tells you the tree.

What to look for

English oak: acornsEnglish oakAcorns on long stalks, often in pairs Sessile oak: acornsSessile oakAcorns sitting right against the twig Turkey oak: acornsLuca Fornasari, CC BY 4.0Turkey oakTwo-tone acorn in a mossy cup Horse chestnut: conkersoliverc29, CC BY 4.0Horse chestnutA conker in a thick spiny husk Sweet chestnut: chestnutsOwen and Carol Fawcett., CC BY 4.0Sweet chestnutDense ball of fine spines, usually three nuts Common beech: beech mastCommon beechTriangular nuts, two to a prickly husk Hazel: nutsDavid Ashcroft, CC BY 4.0HazelNuts in a leafy husk their own length Holm oak: acornsMatthew Vosper, CC BY 4.0Holm oakSmall pointed acorns deep in hairy cups Red oak: acornsMaksymilian Bobko, CC BY 4.0Red oakSquat acorn in a shallow saucer cup Walnut: walnutszebedeugalinha, CC BY 4.0WalnutGreen husk splitting away from a wrinkled nut
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
App StoreGoogle Play

Free to download.

Photographs: cjoynson (CC0), steve_mcwilliam (CC0), Luca Fornasari (CC BY 4.0), oliverc29 (CC BY 4.0), Owen and Carol Fawcett. (CC BY 4.0), Leon Cross (CC BY 4.0), David Ashcroft (CC BY 4.0), Matthew Vosper (CC BY 4.0), Maksymilian Bobko (CC BY 4.0), zebedeugalinha (CC BY 4.0). With thanks to everyone who shares their photographs on iNaturalist and Wikimedia Commons.