Um´bonate (umbonatus, < umbo, the boss of a shield), with a central boss-like elevation.
Un´cinate (uncinatus, < uncinus, a hook), hooked; forming a hook.
Un´dulate, Un´date (undatus, pp. of undare, rise in waves, < unda, a wave), having the surface near the margin alternately concave and convex; waved.
Une´qual, applied to gills when of unequal lengths; to a stem not of uniform thickness.
Une´ven, said of surfaces that are irregular, striate, sulcate, etc.
Un´gulate, Un´gulous (ungulatus, having claws or hoofs, < ungula, claw, talon, hoof), hoof-shaped.
Uni-, prefix signifying “one.”
Unicol´orous (unicolor, having one color, + ous), of a uniform color; of the same color.
Unise´riate (unus, one, + series, series), arranged in one row.
Univer´sal (universus, whole), said of the veil or volva which entirely envelopes the fungus when young.