Possible Clues:

• Purple-blooming bignonia
• Tropical tree with lilac-coloured flowers and fragrant brown wood
• Tree common in Pretoria, South Africa
• Shake with anger, initially, ringing about tree
• Tropical tree with trumpet-shaped flowers, fern-like leaves, and fragrant timber
• Wood Jack Lovelace maybe roughly managed to cut
• Short man drove into woman’s tropical tree
• Drink containing calcium and root of acacia tree
• German agreed about ancient golf club being an exotic wood
• Sack's contents in grate with a tropical wood