| ECOTYPE | Distinct form of a plant |
| ALLOTROPE | Distinct form of an element |
| ISOTOPE | Distinct form of an element |
| IDIOM | Distinct form of expression (5) |
| ECOTYPES | Distinct forms of species which have adapted to their own environments |
| TAKESHAPE | Assume a distinct form |
| CASTE | In social insects, a distinct form like queen or worker |
| NEBULOUS | Lacking distinct form |
| AMORPHOUS | Without distinct form (9) |
| SERBOCROAT | Balkan language comprising several distinct forms |
| VEGETABLE | Word that derives from "animated, enliven, excite", yet is used to describe an inanimate object in the form of a cabbage, carrot, cauliflower, courgette, cucumber or other edible part of a plant (9) |
| STEM | Slender midsection of a wine glass or champagne flute; the leaf-bearing part of a plant; or the winding pin of a watch (4) |
| 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) |
| GRAFTED | Inserted a shoot of a plant into the stem of another plant |
| LILIPAD | Leaf of a plant in the family Nymphaeaceae, depicted in a series of paintings by Claude Monet such a |
| CLOVE | Segment of a bulb of garlic; or, the unopened flower bud of a plant in the myrtle family used as an aromatic spice to flavour ginger cake or pumpkin pie (5) |
| COMPOSITE | Botanical description of a flower of a plant in the aster family such as that of the daisy, dandelion or chamomile (9) |
| NODE | A point on the stem of a plant from which a leaf springs |
| ROSEMADDER | Pinkish pigment derived from the roots of a plant of the same name, used in the works of J. M. W. Turner (4,6) |
| GALANGAL | The pungent, aromatic root of a plant of the ginger family, dried and used as a seasoning and in medicine (8) |
