pruinose

[ proo-uh-nohs ]

/ ˈpru əˌnoʊs /

covered with a frostlike bloom or powdery secretion, as a plant surface.

Origin of pruinose

1820–30; < Latin pruīnōsus frosty, equivalent to pruīn(a) frost (akin to freeze) + -ōsus -ose¹

Pruinose, Pruinate, frosted; covered with a powder like hoar-frost.

The Elements of Botany |Asa Gray
Pollen: a dusty or pruinose surface covering which is easily rubbed off; used mostly in Diptera.

Explanation of Terms Used in Entomology |John. B. Smith
The stem is slender, wavy, same color as the pileus, pruinose at the apex.

The Mushroom, Edible and Otherwise |M. E. Hard
Spring-shoots multinodal, pruinose; branchlets pliant and tough.

The Genus Pinus |George Russell Shaw

Spring-shoots slender, pruinose; branchlets very pliant and tough, summer-shoots abundant.

The Genus Pinus |George Russell Shaw

pruinose

/ (ˈpruːɪˌnəʊs, -ˌnəʊz) /

botany coated with a powdery or waxy bloom

C19: from Latin pruīnōsus frost-covered, from pruīna hoarfrost