CILIATE: Marginally fringed with hairs.
CILIOLATE: Marginally fringed with tiny hairs.
CINCINNUS: A form of definite flowering in which the successive axes arise alternately to the right and left of the preceding one, in distinction from the bostryx, in which the growth is all on one side; a scorpioid cyme.
CIRCINATE: Circular or ring-shaped. Applied to leaves that are rolled up on itself from the tip toward the bottom, like a shepherd's cane. (i.e. fern fronds and the leaves of the Sundew -Drosera)
CIRCUMNUTATION: The continuous motion of some part of a plant, as the top of the stem or a tendril, in which it describes irregular ellipses or circles.
CIRCUMSCISSILE: Opening or divided by a horizontal circular line; applied to pods or seed capsules that open with a lid, like a box. The fruit in such cases is called pyxidium.
CIRROSE: 1. A leaf tipped with a tendril, or, in mosses, with a very narrow or hair-like sinuous point. 2. Resembling tendrils or coiling like them. Also cirrate, cirrous, cirrhous, cirrhose.
CIRRUS: A tendril; a long thread-like part by which some plants climb. Also cirrhus.