| ACAJOU | The cashew tree; a kind of mahogany |
| WALNUT | Tree in the genus Juglans whose timber was England's most-prized variety for furniture-making from the Restoration until the introduction of mahogany in the 18th century (6) |
| SPINE | Heartwood of a tree; a quill of a hedgehog; a bound edge of a book; a series of vertebrae; or, courage (5) |
| SUMAC | Any shrub or small tree of the genus Rhus in the cashew family (Anacardiaceae), bearing clusters of hairy red fruit (5) |
| MASTIC | Related to the cashew, mango, pistachio and sumac, a tree yielding "tears" of aromatic resin used for varnish and chewing gum; or, a waterproof putty-like filler/sealant (6) |
| TEREBINTH | Small Mediterranean tree of the cashew family (Anacardiaceae), formerly a source of turpentine (9) |
| PISTACHIO | A nut tree of the cashew family (9) |
| CROWN | Another name for a diadem; the upper part of a hat, cut gem or a tree; a clasping metal cap for a bottle; or, a stag's surroyals collectively (5) |
| STEMMA | From "garland" and "to crown, wreathe", a family tree, a pedigree or a scroll recording a genealogy; or, a diagram showing the relationship of a text to its various manuscripts (6) |
| PLUCK | A short sharp pull of an eyebrow, fowl's feather or fruit from a tree; a strum or twang of a musical string; or, the heart, liver and lungs of an animal, hence courage, guts, heart or spirit (5) |
| MANGO | A tree related to the cashew; its yellow-orange-fleshed fruit, eaten ripe or in chutney; or, a vegetable or green musk melon, pickled (5) |
| ROTATION | A word for a spin of a planet, turn of a wheel or other axial turn; a cycle of alternating arable fields for crops or felling trees; a mathematical curl; or, any recurrent order (8) |
| DIANA | Ross of "Mahogany" |
| MARINO | Frank ___, Montreal born guitarist of Mahogany Rush |
| ROSS | Diana of "Mahogany" |
| HOGMANAY | Carving of mahogany for Scottish festival |
| SMOKETREE | Shrub of the cashew family that bears long feathery plumes of flowers (5,4) |
| RHUS | Plant genus of the cashew family that includes all varieties of sumac (4) |
| STAND | A company of plovers; a grove of trees; a platform for a brass band; or, a vessel in a boot room or hall for umbrella's, shooting sticks, crops etc (5) |
| TUFT | A bunch of feathers or threads; a clump of trees; a goatee beard; a grassy tussock; or, the historical gold tassel on an Oxbridge nobleman's cap, hence a titled undergraduate (4) |