Cylindraceous. Somewhat or nearly cylindrical.
Cyme. A usually broad and flattish determinate inflorescence, i.e. with its central or terminal flowers blooming earliest.
Cymose. Bearing cymes or cyme-like.
Deciduous. Not persistent; not evergreen.
Decompound. More than once compound or divided.
Decumbent. Reclining, but with the summit ascending.
Decurrent (leaf). Extending down the stem below the insertion.
Decurved. Curved downward.
Decussate. Alternating in pairs at right angles, or in threes.
Definite. Of a constant number, not exceeding twenty.