Tree identification & Tree Damage

Tree identification – As uncovered by Carl Linnaeus, through observation and the scientifice methodology,  you need to go through a logical identification process of characteristics  as follows:  Bark, leaf arrangements, leaf shape, leaf margin and texture, Flower, Seed and Fruit, Habit – If you are doing a dissertation and you are not sure of the scientific methodology study trees and Linnaeus and all will become clear

Tree Damage – Risk of Damage by different tree species – the table indicates (click here) that the extent and depth of drying around oak trees can be significantly greater than occurs with most other species.

If damage occurs an expert should advise, with reference to BRE 298, action required

Tree Identification
DivisionClassOrderFamilySpeciesBarkLeafArrangementLeaf ShapeLeaf margin & TextureFlowerSeeds & FruitHabit
Pinophyta       
Monkey PuzzleLight Grey WrinkledSpiralTriangular Spherical Cones30 x 15Evergreen
Common YewRich Brown flaking to reveal pink patchesRowedNeedle Small cones – pale yellow15-20 x 20Evergreen
Leyland CypressSmooth Red Brown develops shallow fissuresIrregularly arrangedScale like, flattened slightly drooping sprays Angular, globular15-36 x 10Evergreen
Juniper(Gin and Tonic Tree)Dark red Brown – peeling in vertical papery stripsDense whorls of threeNeedles  Berry like blue-black cones5 x 4Evergreen
CedarReddish brown, peels verticallyUpright sprays     
Tree distance and damage
SpeciesMax Tree HeightMax Distance 75% of CasesMax Distance 90% of cases
Oak16-231318
Poplar241520
Ash231013
Elm20-251219
False Acacia18-208.510.5
Horse Chestnut16-251015
Hawthorn1078.7
Lime16-24811
Willow151118
Beech20911
Plane25-30.510
Apple8-1268
Sycamore, Maples17-24912
Cherries, plums, Damsons etc6-1267.5
Birch12-1478
Cypresses,18-2535.5
Rowan8-1278.5

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