Silk Floss tree, Ceiba speciosa, Close view along trunk of tree showing large conical shaped thorns.

Cherry, Japanese flowering cherry, Prunus serrulata, Side view of trunk with peeling red and maroon bark.

Cedar, Cedrus, A slice through a tree trunk showing the many rings and some outer bark.

Dragon tree, Dracaena fragrans, Viewed from underneath showing the long trunk and spikey foliage, Madeira.

Beech, Fagus sylvatica.

Close cropped shot of cross curved into the trunk of a Beech tree.

Ireland, County Monaghan, Tullyard, Trees covered in hoar frost on outskirts of Monaghan town. Single tree with slender, curving trunk in foreground of others.

Man standing at foot of huge trunk of Redwood, Sequoia sempervirens looking upwards.