[f. TASSEL sb.1 + BUSH sb.1] The common name in America of an evergreen shrub, Garrya elliptica, a native of California, Mexico, Cuba, and Jamaica: so called from its elegant long drooping catkins.

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1891.  in Cent. Dict.

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1900.  Field, 22 Dec., 972/1. The Tassel Bush … is an evergreen bush from California, the tip of every young growth being now laden with clusters, or bunches of soft-grey tassels or catkins, that give to it a very distinct and ornate appearance.

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