| ROOTS | Subterranean parts of plants including alexanders, horseradish, Jerusalem artichoke, parsnip, rampion and salsify that are eaten as vegetables (5) |
| ROOT | Main edible part of plants including parsnip and carrot (4) |
| SALSIFY | Seasonal in January with celeriac, horseradish, Jerusalem artichoke. kale and kohlrabi, root c the oyster plant, popular with the Victorians as winter vegetable (7) |
| BULBS | Subterranean parts of plants such as hyacinths, narcissus paperwhites and amaryllis (Hippeastrum), often potted in the autumn to bloom around Christmastime (5) |
| OLIVERSTONE | US director of films including Alexander (2004) |
| EGGS | Rosebud, Hen, Lilies of the Valley, Bay Tree ... objets d'art made by Faberge for the Russian Imperial family including Alexander III and his son Nicholas II (4) |
| FARRELL | Ballykissangel actor in films including Alexander, In Bruges and Winter's Tale (7) |
| BULB | Subterranean part of a plant such as an amaryllis, narcissus, hyacinth or tulip, or that of the garlic or shallot consisting of a number of cloves (4) |
| CORM | Subterranean part of a banana plant or crocus |
| TUBER | In botany, the genus of truffles; the thickened subterranean stem of the Jerusalem artichoke, potato or yam; or, the rootstock of the cyclamen or the dahlia (5) |
| BASEMENT | Subterranean part of a house |
| HELIANTHUS | Genus of plants that includes the Jerusalem artichoke |
| PEA | A family of plants including the garden Pisum sativum; a seed of the latter, eaten as a vegetable or blown through a shooter; or, a tiny cob of coal, coffee berry, roe of salmon or stone, when akin to |
| CHLOROPHYLL | Colouring-matter of leaves and other green parts of plants (11) |
| INULIN | Fructose polysaccharide found in the roots and tubers of chicory, Jerusalem artichoke etc, used medically to test the function of kidney (6) |
| REBUT | Prove the stupidity of 'Jerusalem artichoke turnover'? (5) |
| UMBEL | Botanical name for a type of inflorescence characteristic of plants including agapanthus, carrot, di |
| NECTARIES | Nuts are nicest parts of plants (9) |
| TEALEAVES | Parts of plants used for making popular hot beverages (3,6) |
| SQUAREROOTS | Mathematical terms for oldfashioned parts of plants (6,5) |