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GUELDERROSE'
A cultivated variety of a species of Viburnum (V. Opulus), bearingbig bunches of white flowers; called alsosnowball tree.
Origin: Supposed to be brought from Guelderland; hence, D. Geldersche roos, G. Gelderische rose, F. Rose de Gueldre, It. Rose di Gueldra, Sp. Rosa de Gueldres.
Source: Websters Vocabulary