Of or pertaining to a natural order of plants (Rosaceæ) of which the rose is the type. It includes also the plums and cherries, meadowsweet, brambles, the strawberry, the hawthorn, applies, pears, service trees, and quinces.

Like a rose in shape or appearance; as, a rosaceous corolla.

of or pertaining to or characteristic of plants of the family Rosaceae

Of a pure purpish pink color.

having a dusty purplish pink color; "the roseate glow of dawn"