| Name | Structure/ Category | Description |
|---|---|---|
| Cauline | [Leaves] {position} | With leaves positioned along the stem above ground level. |
| Central Axis | This expression usually refers to the central stalk of an inflorescence that is a spike, raceme, or panicle. Sometimes it refers to the central stalk (or rachis) of a compound leaf. | |
| Cereal | a plant (as a grass) yielding farinaceous seeds suitable for food (as wheat, maize, rice) | |
| Chambered | [Pith] {type} | Interrupted by more or less regularly spaced cavities. |
| Checkered | [Bark of mature trunks] {surface appearance} | Bark divided into small squarish plates, resembling alligator leather, as in flowering dogwood (Cornus florida). |
| Ciliate | [Leaf margins, Leaflet margins, Petal margins, Phyllary margins, Sepal margins] {form} , [Buds] {pubescence type} | With a fringe of hairs along the margin. |
| Circular | [Leaf cross section] {shape} | Round in cross section. |
| Circumferential | [Stipules, Stipule scars] {extent} | Encircling the twig. |
| Circumscissile | dehiscing by a transverse fissure around the circumference | |
| Circumscissile capsule | [Fruits] {type} | A capsule that splits open (dehisces) by a horizontal line around the fruit, the top coming off as a lid. |
