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Buttonbush is a shrub with golfball-sized white inflorescences studded with long, protruding styles — distinctive and unmistakable. Flowering stalks produce 1-3 spherical flowerheads 3/4-1.5" across completely covered with 100-200 small white flowers. Individual flowers are small (1/3" long), white, with four (sometimes five) lobes at the apex; stamens are short while the styles are very long (~3/8"), yellow-tipped, and projecting well beyond the corolla. Maturing seedheads are bright red, but turn brown when fully ripe.

Cephalanthus

Cephalanthus occidentalis

buttonbush [Blooms: Jun-Jul]