Possible Clues:

• Last item on agenda, to block pruning of very small tree
• Tree of Life, in ''The Lion King''
• Deciduous African tree with a massive soft trunk
• It's also known as the "upside-down tree"
• *National tree of Madagascar
• Combination of blood groups that's found in African forest
• Reptile back occupying smallest stunted tree
• African tree with a very thick trunk
• The odd bear or delivery from a stork briefly in short tree
• British sailors gathering round African tree