Guyana, Demerara-Mahaica Region, Georgetown, Silk Cotton or Kapok tree, Ceiba pentandra, in the Botanical Gardens. In the foreground are lotus plants.

Guyana, Demerara-Mahaica Region, Georgetown, Silk Cotton or Kapok tree, Ceiba pentandra, in the Botanical Gardens. A large agave plant is flowering at left.

Silk Floss tree, Ceiba speciosa, View from underneath looking up the trunk of tree showing large conical shaped thorns and branches above.

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

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

Beech, Fagus sylvatica.

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