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n. A genus of shrubs of the order Saxifrageæ and the tribe Hydrangeæ, characterized by the inferior ovary, numerous stamens, and four or five imbricate petals.

n. any of various chiefly deciduous ornamental shrubs of the genus Philadelphus having white sweet-scented flowers, single or in clusters; widely grown in temperate regions

"The dark-leaved "Ravenswing" is a wonderful selection that you can invite into more intimate places, and I grow it with some success under early-flowering philadelphus and lilac."

shrub    bush   

philadelphus coronarius    mock orange    syringa