Kola nut (Cola nitida): traditional uses, caffeine and other phytochemicals, preparation forms, recipes, contraindications and safety precautions explained.

Roselle (Hibiscus sabdariffa): traditional uses, how to make hibiscus tea, its mild effect on blood pressure and cautions in pregnancy and with medicines.

Baobab (Adansonia digitata): traditional uses, tea and decoction preparation, nutritional properties, and contraindications of this vitamin C-rich African tree.

Cocoa (Theobroma cacao): tropical tree valued for antioxidant powder, nibs, and traditional recipes supporting mood, energy, and heart health.

Marsh-mallow (Althaea officinalis) in full: accepted taxonomy, morphology, brackish marsh habitat, cultivation, phenology, phytochemistry and conservation.