| MALLEE | Australian eucalyptus tree such as the Blackbutt - or Plunkett - (6) |
| REDGUM | Any of various Australian eucalyptus trees with aromatic leaves such as the River ? |
| CATKIN | Downy spike of small flowers produced by trees such as the willow and hazel, pollinated by the wind (6) |
| SAMARA | Winged achene (dry one-seeded fruit) of trees such as the ash and maple, sometimes known as a key (6) |
| TEFLON | Which 1938 invention by Roy Plunkett stops eggs sticking to the pan? (6) |
| JARRAH | Eucalyptus tree native to western Australia (6) |
| COOLABAH | An Australian eucalyptus tree that commonly grows near water (8) |
| BLOSSOM | A flower or mass of flowers preceding the fruit of a rosaceous tree, such as the almond, apple, cherry, peach or plum; or, the state or season of such efflorescence (7) |
| MARRI | Australian eucalyptus tree |
| VIBURNUM | Temperate or subtropical shrub or tree, such as the wayfaring tree (8) |
| HORNBEAM | Hardwood tree such as the Japanese ___, European ___ or American ___ (8) |
| PLANE | Tree such as the American ___ or Oriental ___ with ball-shaped heads of fruit (5) |
| CONIFER | Tree such as the fir or pine that produces cones |
| ASH | Tree such as the Norse world tree Yggdrasil |
| EMERSON | Born in the Queensland town of Blackbutt, which Australian tennis player won the Wimbledon singles t |
| MAST | Fruit of trees such as the oak, beech or hickory - it's used as pig food |
| MAHOGANY | Tropical American tree such as the Honduras -, valued for its wood (8) |
| QUEBRACHO | South American tree such as the Red ___ whose wood is used in tanning (9) |
| SEQUOIA | Giant Californian coniferous tree such as the redwood (7) |
| BUCKEYE | North American tree such as the Ohio ---, Aesculus glabra (7) |