Capsule (capsula). A dry dehiscent fruit, especially if formed of several carpels.

Carpel (carpellum). A modified leaf bearing the female reproductive organs (ovules).

Caruncle (caruncula). An outgrowth near the hilum of certain seeds.

Catkin (amentum). A deciduous spike with a thin rachis and inconspicuous unisexual flowers.

Cauline (caulinus). Arising along the stem.

Cell (cellula). One of the sack-like bodies of which the tissue of the plants is composed.

Cell (loculus). One of the cavities into which the ovary, the fruit, and the anthers are usually divided. The number of anther-cells refers to the time after their dehiscence, 2-celled anthers being 4-celled when young.

Centrifugal (centrifugus). Developing from the centre outwards or from the apex towards the base.

Centripetal (centripetus). Developing from without towards the centre or from the base towards the apex.

Circinnate (circinnatus). Coiled from the apex downwards.