Dictionary

Word	Meaning
Chromosome	A thread-like structure in a cell nucleus that bears genetic information.
Cilia	A fringe of tiny hairs along a margin. The term may also refer to a large number of microscopic, vibrating hairs on the surface of certain cells, either causing currents in the surrounding fluid, or providing propulsion.
Ciliate	Having a fringe of tiny hairs along a margin.
Ciliolate	Fringed with tiny hairs.
Cilium	A single hair in a cilia.
Clavate	Club-shaped, gradually thickening to the top.
Clavuncle	An enlarged stigma, of which the sides and lower surface are the receptive zones (in Apocynaceae).
Clavuncula	An enlarged stigma, of which the sides and lower surface are the receptive zones (in Apocynaceae).
Clustered	Typically referring to multiple leaves arising from the same section of the node. 'Clustered' and 'fascicled' are synonymous.
Cocci	The plural of coccus, which refers to a segment of a fruit that has lobes.
Coccus	A segment of a fruit that has lobes. Monococcus means one coccus or lobe, and tricoccos refers to 3 cocci.
Colleter	A hair-like structure, associated with petioles, stipules and sepals, which is glandular and multicellular in nature.
Colliculate	A surface with small bumps or protrusions of silica (from the Latin 'colliculus', referring to little, rounded elevations).
Complicate	Rolled or folded in on itself.
Compound leaf	One leaf made up of several similar components, called leaflets. The leaf blade can be visualised as having been 'cut up' into leaflets. The leaf blade of a simple leaf is in one unbroken piece, and not divided into leaflets.
Concolorous	The colour is the same everywhere. As applied to a leaf, both the upper and lower surfaces are the same colour.
Connate	United and forming a joined single part. See adnate.
Connivent	Two or more parts, separate at the base, but angled towards each other without touching at the far end.
Coppice	Vigorous shoots that grow from the base of a tree trunk. Coppice shoots may be stimulated to grow from damage to the trunk base. Leaves on coppice shoots may differ in design from normal leaves on the plant.
Cordate	Lobed, or heart-shaped. The term is applied to a leaf base that is lobed. Those lobes may be deep or shallow. 'Corda' means heart, reflecting the heart shape of a cordate leaf.
Coriaceous	Having a leathery texture.
Corolla	A collection of petals that display colour and encircle the stamen and carpel, the reproductive organs of a flower. Corolla, or petals, refers to the second whorl of a flower, which is internal to the calyx.
Corona	A ring of structures in a flower that may be united in a tube, arising from the corolla or perianth (calyx and corolla) and standing between the perianth lobes and the stamens. The trumpet of a daffodil is a corona.
Corymb	A flat-topped or convex cluster of alternately stalked flowers. The outermost flowers open first. A corymb is a compound inflorescence.
Corymbose	Referring to a flat-topped or convex cluster of alternately stalked flowers. The outermost flowers open first. A corymb is a compound inflorescence.
Cotyledon	A seed leaf within the embryo of a seed. It is typically folded within the seed until germination.
Craspedodromous	Pinnate venation with the secondary veins terminating at the margins, often as teeth.
Crenate	Leaf margins with rounded, regular, symmetrical teeth.
Crenulate	Having a finely round-toothed or scalloped edge.
Cross-pollination	The transfer of pollen between flowers on different plants of the same species.