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silk oak

or silky oak

any of several Australian trees of the genus Grevillea, especially G. robusta, having feathery, fernlike leaves and showy orange or yellow flowers, grown as a street tree in Florida and California.
Origin of silk oak
First recorded in 1865-70 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
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Historical Examples
  • Coffee does best in shade such as is afforded by the silk oak (Grevillea robusta).

    All About Coffee William H. Ukers

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