| CASTOROIL | Liquid extract of the tropical African plant Ricinus communis used as a laxative and an industrial lubricant (6,3) |
| CASCARA | Small tree of North America whose dried bark is used as a laxative and stimulant (7) |
| OIL | The castor - - - plant - Ricinus communis of the spurge family (3) |
| CITRONELLAOIL | Liquid extract of grasses such as the tropical Asian Cymbopogon nardus used as an insect repellent and in perfumes, soaps etc. (10,3) |
| SHEA | Edible butter prepared from the oily seeds of the tropical African tree Butyrospermum parkii, widely used in cosmetics (4) |
| OILPALM | The tropical African tree Elaeis guineensis |
| ALOE | A plant of the lily family with fleshy, long spiny leaves the juice of which is used as a laxative |
| FLEAWORT | A plant in the Plantago genus whose seeds have been used as a laxative (8) |
| SENNA | Tropical shrub of the genus Cassia whose dried pods are used as a laxative drug |
| TURMERIC | The powdered stem of the tropical plant Curcuma longa, used as a condiment and as a yellow dye |
| AGAR | A gelatinous product made from seaweed and used as a base for bacterial cultures as a laxative, jellied foods |
| HASHISH | Extract of the hemp plant, used as a hallucinogen |
| LIQUORICE | Perennial Mediterranean shrub whose dried root is used as a laxative (9) |
| CASTOR | - - - - - - oil plant - name usually given to Ricinus communis (6) |
| SAGO | Edible starch obtained from the powdered pith of the tropical palm tree Metroxylon sagu, used for puddings and as a thickening agent (4) |
| SARSAPARILLA | Any of several plants of the tropical American genus Smilax, whose dried roots are used medicinally and as a soft drink flavouring (12) |
| CHOCO | Cucumber-like fruit of the tropical vine Sechium edule, eaten as a vegetable in the West Indies and Australia (5) |
| ROOTBEER | Effervescent North American soft drink traditionally flavoured with extracts of the tree sassafras and the vine sarsaparilla (4,4) |
| CACAO | Raw ingredient used to make chocolate and the short name of the tropical tree from which it is deriv |
| ALLSPICE | Dried aromatic fruit of the tropical American tree Pimenta diocia, said to combine the flavours of cinnamon, cloves and nutmeg (8) |
