| ACORN | Cupped fruit of the oak |
| ACRE | From the Old English meaning "open field", a word for a unit of land area that is etymologically related to the name of the fruit of the oak (4) |
| ACORNS | Fruit of the oak tree (6) |
| SMEATON | Civil engineer whose revolutionary design of the third candlelit Eddystone lighthouse in Devon was inspired by the shape and strength of the oak tree (7) |
| BURGOYNE | John --, British general in the American Revolutionary War, and author of the play 'The Maid of the Oaks' (8) |
| GALLNUT | Round gall produced on the leaves and shoots of various species of the oak tree (4,3) |
| COQUETRY | The rooster made a meal of the oak, we hear. What a dalliance (8) |
| ACORNCUP | Protective covering for the nut of the oak (5,3) |
| NORTH | In one direction heliopsis is the ___ American ox-eye, and Narcissus 'Queen of the ___' is a small-cupped daffodil (5) |
| BASSO | Richard Sterban of The Oak Ridge Boys, e.g. |
| EPSOM | Surrey town whose racecourse was the birthplace of the Oaks (1779) and the Derby (1780) (5) |
| REAMS | Of Verse, winner of the Oaks in 1997 (5) |
| KAURI | Kaikoura got rid of the oak and replaced with this tree (5) |
| ALTO | Musical section higher than tenor and lower than soprano, as in the variety of large cupped daffodil (4) |
| ENTERED | Went in for one of the Oaks perhaps in the finish (7) |
| MADONNA | Flaunter of a conical-cupped bra |
| CRATER | Cupped top of volcano (6) |
| EMPRESS | Regal name of a long-cupped white narcissus (7) |
| JETSKI | Lady, winner of the Oaks in 1991 (3,3) |
| FAIR | Salinia, winner of the Oaks in 1978 (4) |
