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Aar·on's beard(âr′ənz, ăr′-)
A shrubby semi-evergreen plant (Hypericum calycinum) of Eurasia, having yellow flowers with numerous protruding stamens and often grown as a ground cover. Also called rose of Sharon.
[From the prominent tufts of stamens, in reference to Psalms 133:2.]
(Plants) another name for rose of Sharon1