Dictionary
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Word	Description
Calyx	The outer whorl of floral envelopes composed of separate or united sepals.
Calyx tube	The tube formed by the calyx.
Capsule	The dry seed pod which holds the seed.
Climate zones	See Hardiness.
Cloves	See bulblet.
Color wheel	A radial diagram of colors in which primary and secondary, and sometimes intermediate colors are displayed as an aid to color identification, choosing, and mixing. A color wheel with primary (red, yellow, blue), secondary (orange, green, violet) and terti
Complementary colors	Colors that are directly opposite each other on the color wheel, such as red and green, blue and orange, and violet and yellow.
Compost	Fully decayed vegetable matter with the appearance of soil that is used to improve both the texture and fertility of garden soil. Some composts are made with the addition of animal manures and mineral powders like lime, greensand and phosphate.
Contrast	Contrasts happen when colors are paired in such a way that each intensifies the other. The strongest contrasts are the result of putting together complementary colors. Contrasts of tone and temperature also exist.
Cool colors	Cool colors are on the right side of the color wheel and are based on blue.
Corm	An underground storage organ of solid material, being a swollen part of a stem, and not having scales as a true bulb. Often refered to as bulb as in crocus bulb or gladiolus bulb.
Cormel	A small corm produced by a large corm.
Corolla	The name given to the collective whorl of petals of a flower.
Corona	An extra organ between the corolla and the stamens as in the cup of a narcissus.
Crest	On the falls of an iris, a ridge most commonly orange or yellow in color.
Crocked	See Crocks.
Crocks	Broken pieces of clay pot which are used to cover the holes in the bottom of pots.The crocks help to stop compost blocking the holes and improve drainage.
Crown	That part of the plant where stem and root meet.
Cultivar	A unvarying variety of a plant produced by selective hybridization and maintained by vegetative propagation or by inbred seed.
Cutting	A piece of leaf, stem or root removed from a plant and prompted to develop into a new plant, genetically identical to the parent plant.
Cyme	A cluster of flowers in which each main and secondary stem bears a single flower, the bud on the main stem blooming first.
Cymose	Bearing a cyme or cymes.