sign in sign up
<<
Home , Chestnut, Fagus sylvatica, Fraxinus excelsior, Leaf, Rowan, Tree

2048 OPAL guide to trees_Invertebrates 592 x 210 copy 17/04/2015 18:39 Page 1

Tree Elder Cherry Identification Guide aucuparia nigra Salix species This guide can be used for the OPAL Health Survey and OPAL Air Survey

Oak Ash Quercus species excelsior

Maple Hawthorn apple Poplar Acer species monogyna sylvatica Betula species species

Horse Sycamore hippocastanum

London Sweet chestnut Lime x acerifolia species Ulmus species Alnus species 2048 OPAL guide to deciduous trees_Invertebrates 592 x 210 copy 17/04/2015 18:39 Page 1

Tree Rowan Elder Beech Whitebeam Cherry Willow Identification Guide Fagus sylvatica Sorbus aria Prunus species Salix species This guide can be used for the OPAL Survey and OPAL Air Survey

Oak Ash Quercus species

Maple Hawthorn Hornbeam Crab apple Birch Poplar Acer species Crataegus montana Carpinus betulus Malus sylvatica Betula species Populus species

Horse chestnut Sycamore Acer pseudoplatanus

London Plane Sweet chestnut Hazel Lime Elm Alder Platanus x acerifolia Castanea sativa Corylus avellana Tilia species Ulmus species Alnus species No distinct point – it looks like the end of the has been pinched Yes Yes Yes Yes Poplar flattened? the leaf pale? the leaf Crab apple Does the Does the distinct point? Is the leaf tip a Is the leaf stalk grow on a stalk? grow Is the underside of underside Is the No No No Yes Lime Whitebeam No No Yes Yes Elm Check: Elm feel rough when rubbed between the fingers asymmetrical? toothed edge? toothed Is the leaf base more at one side? more Hazel Check: Hazel leaves and leaf stems are hairy Does the leaf have a the leaf Does Does the leaf bulge out Birch not looking at Birch Check you are leaf tip, Alder has a rounded Alder. tip has a pointed leaf while Birch No with smaller double-toothed leaves – teeth large teeth in-between No Yes Yes Beech Check: Beech leaves have a wavy edge Check: Cherry leaves have a wide range of sizes Cherry Hornbeam double toothed? Is the edge of the leaf Is the edge of the on the edge of the leaf? Are there fine white hairs there Are No No Yes Yes Yes Sweet chestnut 2 are Check: If there the spots at the top of a leaf stalk, it is probably Cherry No No No No Yes Yes Alder Willow than 10 cm? or rounded tip? or rounded Is the leaf shorter have large teeth? long as it is wide? long top of the leaf stalk? Does the edge of the leaf Does the leaf have a blunt Is the leaf at least twice as twice leaf at least Is the Are there 2 red spots at the 2 red there Are No Oak No Yes Yes Maple Check: Maple leaves lobes, rounded have more while London Plane and have more Sycamore pointed lobes thorny? Hawthorn Are the twigs Are London Plane in opposite pairs? Do the leaves grow No No several places - a pinnate leaf veins spread from veins spread along the leaf stalk © OPAL 2015. All rights reserved. © OPAL No Yes Yes Yes lobes? Sycamore a toothed edge? Does the leaf have Do the leaves have leaves Do the from a single point? from Do the veins spread out Do the veins spread palmate leaf leaf stalk –a at the top of the veins spread out veins spread Lobes are large Lobes are edge of the leaf from a single point from projections at the projections Teeth are small are Teeth edge of the leaf projections on the projections Yes a simple leaf – a single leaf attached to a stalk – No No No No twig? leaves? not just the leaflets) (Make sure that you are (Make sure opposite pairs on the Do the leaves grow in Do the leaves grow three pairs of leaflets? three looking at the leaves and Do all the leaflets grow from a different from each leaf grows Does the leaf have two or from the end of the stalk? from Does the tree have simple the tree Does Alternate pairs place on the stem – made up of several leaflets a compound leaf Yes Yes Yes No – Ash Elder

‹ Rowan pairs of leaves Opposite pairs point on the stem grow from a single from grow Yes Horse chestnut Start here Start smell when you rub them or scale-like leaves? or scale-like Check: Ash has black ‹ on Rowan in Does the tree have needles the tree Does another tree for your OPAL survey for your OPAL another tree If you have found a , choose conifer, If you have found a toothed than Ash. Look out for red like Ash. Rowan leaflets are deeper like Ash. Rowan leaflets are Check: Rowan never has black buds Check: Elder leaves release a pungent Check: Elder leaves release 2048 OPAL guide to deciduous trees_Invertebrates 592 x 210 copy 17/04/2015 18:39 Page 2 Page 18:39 17/04/2015 210 copy 592 x trees_Invertebrates deciduous to guide OPAL 2048 No distinct point – it looks like the end of the leaf has been pinched Yes Yes Yes Yes Poplar flattened? the leaf pale? the leaf Crab apple Does the bud Does the distinct point? Is the leaf tip a Is the leaf stalk grow on a stalk? grow Is the underside of underside Is the No No No Yes Lime Whitebeam No No Yes Yes Elm Check: Elm leaves feel rough when rubbed between the fingers asymmetrical? toothed edge? toothed Is the leaf base more at one side? more Hazel Check: Hazel leaves and leaf stems are hairy Does the leaf have a the leaf Does Does the leaf bulge out Birch not looking at Birch Check you are leaf tip, Alder has a rounded Alder. tip has a pointed leaf while Birch No with smaller double-toothed leaves – teeth large teeth in-between No Yes Yes Beech Check: Beech leaves have a wavy edge Check: Cherry leaves have a wide range of sizes Cherry Hornbeam double toothed? Is the edge of the leaf Is the edge of the on the edge of the leaf? Are there fine white hairs there Are No No Yes Yes Yes Sweet chestnut 2 red are Check: If there the spots at the top of a leaf stalk, it is probably Cherry No No No No Yes Yes Alder Willow than 10 cm? or rounded tip? or rounded Is the leaf shorter have large teeth? long as it is wide? long top of the leaf stalk? Does the edge of the leaf Does the leaf have a blunt Is the leaf at least twice as twice leaf at least Is the Are there 2 red spots at the 2 red there Are No Oak No Yes Yes Maple Check: Maple leaves lobes, rounded have more while London Plane and have more Sycamore pointed lobes thorny? Hawthorn Are the twigs Are London Plane in opposite pairs? Do the leaves grow No No several places - a pinnate leaf veins spread from veins spread along the leaf stalk © OPAL 2015. All rights reserved. © OPAL No Yes Yes Yes lobes? Sycamore a toothed edge? Does the leaf have Do the leaves have leaves Do the from a single point? from Do the veins spread out Do the veins spread palmate leaf leaf stalk –a at the top of the veins spread out veins spread Lobes are large Lobes are edge of the leaf from a single point from projections at the projections Teeth are small are Teeth edge of the leaf projections on the projections Yes a simple leaf – a single leaf attached to a stalk – No No No No twig? leaves? not just the leaflets) (Make sure that you are (Make sure opposite pairs on the Do the leaves grow in Do the leaves grow three pairs of leaflets? three looking at the leaves and Do all the leaflets grow from a different from each leaf grows Does the leaf have two or from the end of the stalk? from Does the tree have simple the tree Does Alternate pairs place on the stem – made up of several leaflets a compound leaf Yes Yes Yes No – Ash Elder

‹ Rowan pairs of leaves Opposite pairs point on the stem grow from a single from grow Yes Horse chestnut Conifers Start here Start smell when you rub them or scale-like leaves? or scale-like Check: Ash has black buds ‹ berries on Rowan in autumn Does the tree have needles the tree Does another tree for your OPAL survey for your OPAL another tree If you have found a conifer, choose conifer, If you have found a toothed than Ash. Look out for red like Ash. Rowan leaflets are deeper like Ash. Rowan leaflets are Check: Rowan never has black buds Check: Elder leaves release a pungent Check: Elder leaves release 2048 OPAL guide to deciduous trees_Invertebrates 592 x 210 copy 17/04/2015 18:39 Page 2 Page 18:39 17/04/2015 210 copy 592 x trees_Invertebrates deciduous to guide OPAL 2048