| IBOGAINE | Psychoactive drug made from the bark of African trees, used in some countries to combat drug and alcohol addiction |
| LIQ | Alc. beverage |
| AMBASSADORSHIPS | The jobs for top diplomats sent by some countries to other countries (15) |
| YEWS | Trees used in some chemotherapy drugs |
| KOLA | Large genus of African trees bearing kola nuts. |
| TAPA | What Pacific Islands cloth is made from the bark of the paper mulberry tree? (4) |
| FELONY | Word used in some countries for a very serious crime (6) |
| CENTAVO | Once a TV broadcast is ready, used in some countries (7) |
| DEA | Law enforcement agency that combats drug trafficking: Abbr. |
| CINNAMON | Spice derived from the bark of a tree native to Sri Lanka used to flavour Chelsea buns, arlettes or porridge (8) |
| QUININE | A bitter compound from the bark of the cinchona tree used to treat malaria (7) |
| JABORANDI | Drug made from the dried leaves of various South American plants that is used to induce sweating (9) |
| COCOA | Powder made from the ground and roasted seed of a W. African tree used to make a non-alcoholic beverage |
| MASTIC | An aromatic gum exuding from the bark of a Mediterranean tree used in making varnish (6) |
| ABINITIO | Last of the data conceals the dirt in the interests of leaders in Latin countries to begin with (2,6) |
| OPIUM | Powerful drug made from the juice or sap of a type of poppy (5) |
| RIND | Old English word for the bark of a tree or peel of fruit that, from the 16th century, also came to refer to the outer layer, paring or skin of a cheese (4) |
| CORK | The bark of this oak is used to produce wine bottle stoppers, though in less quantities since the invention of the Stelvin closure |
| SHEA | - butter; substance obtained from the seeds of an African tree, used for products including moisturiser and lip balm (4) |
| CURARE | Resin obtained from the bark and stems of certain South American plants used as an arrow poison (6) |