buttonbush

[buht-n-boosh]

but·ton·bush

[buht-n-boosh]
noun
a North American shrub, Cephalanthus occidentalis, of the madder family, having globular flower heads.

Origin:
1625–35; button + bush1
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2012.
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Buttonbush is always a great word to know.
So is doohickey. Does it mean:
a screen or mat covered with a dark material for shielding a camera lens from excess light or glare.
a gadget; dingus; thingumbob.
Encyclopedia Britannica
Encyclopedia

buttonbush

(Cephalanthus), genus of shrubs or small trees of the madder family (Rubiaceae, q.v.) native to Africa, Asia, and North America. It was named for its fragrant, creamy white, spherical flowers, about 2.5 centimetres (1 inch) in diameter. There are at least 6 species of buttonbush. Cephalanthus occidentalis, the most common, grows about 6 meters (20 feet) high.

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Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
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