Ciliate. Margin with hairs or bristles.
Coherent. One organ uniting with another.
Compound. See leaf, ovary, etc.
Connate. Similar organs, more or less grown together.
Connective. The part of the anther connecting its two cells.
Coriaceous. Thick, leathery in texture.
Corolla. Leaves of the flower within the calyx.
Corymb. That sort of flower-cluster in which the flower stems arranged along the central axis elongate, forming a broad convex or level top, the flowers opening successively from the outer edge towards the center.
Crenate. Edge with rounded teeth.
Crenulate. Edge with small rounded teeth.