| OAKLEAF | Depicted on the National Trust logo, part of an acorn-bearing tree that was used to form a Roman civic crown (7) |
| MACADAMIA | Nut-bearing tree that is indigenous to Australia (9) |
| OAKLEAVES | Tree features, forming the National Trust logo (4,6) |
| OAK | Type of leaf in the National Trust logo (3) |
| TOURELLO | Listed on the National Trust register of trees, in which western district hamlet is the only avenue |
| BURNT | Rub up on the National Trust or it will be incinerated (5) |
| CEDARS | Tall, cone-bearing trees that have irregular heads of spreading branches (6) |
| CARD | Any one of a pack of items used to form a meld; a programme of a race meeting's events; or, the dial of a mariner's compass (4) |
| CUP | Shape of a candlestick's bobeche for catching dripping wax; a structure at the base of an acorn; a fruit punch served in a pitcher rather than a bowl; or, a vessel from which to sip tea (3) |
| SLEEPER | A piece of timber used to form a support for the rails on a railway (7) |
| BUSTLE | Victorian accessory that was used to accentuate the shape or silhouette of the back of a skirt (6) |
| TRIDENT | Depicted on the national flag of Barbados, a type of three-pronged spear as wielded by the sea god Poseidon (Neptune) or Britannia (7) |
| FINIAL | From Latin for "end", an ornament or pommel in the form of an acorn, foliated fleur-de-lis, pine cone, poppy-head, spike etc at the end or top of a bench, curtain pole, gable or spire (6) |
| YEW | Tree that was the source of the poison in Christie's A Pocket Full of Rye |
| BASALT | Forming the coastal columns of the Giant's Causeway in Northern Ireland, a type of igneous rock that was used to make neolithic ground stone tools (6) |
| ANGKOR | Archaeological site in south-east Asia, site of a temple depicted on the national flag of Cambodia (6) |
| SCION | A shoot or twig of a plant used to form a graft (5) |
| NUTSHELL | Covering of an acorn or culinary seed such as a pistachio; novel by Ian McEwan; or, any of a series of short books summarising areas of law (8) |
| LUPIN | One of the traditional herbaceous perennials used to form a cottage garden with delphiniums, foxgloves, hollyhocks, aquilegia etc (5) |
| UNION | Being of or having to do with the northern United States and those loyal to the Union during the Civ |
