white dogwood
noun
1The dogwood Cornus florida, of eastern North America, which has large, white, flower-like bracts, or the wood of this tree; (in early use also) †an American dogwood having leaves with white, downy undersides (not identified) ( obsolete ).
2The Jamaica dogwood Piscidia piscipula, or the wood of this tree (now rare ).
Origin
Early 19th century; earliest use found in Amos Eaton (1776–1842).