downiness

The downiness noticed on the underside of the Bullace leaves is here restricted to the ribs of the leaf.

From Wayside and Woodland Trees A pocket guide to the British sylva by Edward Step

The habit of the shrub is densely bushy, and the foliage has a greyish green colour from its downiness.

From Hardy Perennials and Old Fashioned Flowers Describing the Most Desirable Plants, for Borders, Rockeries, and Shrubberies. by John Wood

"A baby that's loved and taken care of is just nothing but fine soft lawns and white downiness with the scent of fresh violets under leaves in the rain."

From Robin by Frances Hodgson Burnett

Plum or plump, as applied to a bed, would certainly convey the idea of softness or downiness.

From Notes and Queries, Number 218, December 31, 1853 A Medium of Inter-communication for Literary Men, Artists, Antiquaries, Genealogists, etc by George Bell

There were seldom any clouds in the summer sky, and those that were there were never of that soft, high-piled white downiness that belongs to summer clouds farther south.

From Anne by Constance Fenimore Woolson