A shrubby semi-evergreen plant (Hypericum calycinum) of Eurasia, having yellow flowers with numerous protruding stamens and often grown as a ground cover.
(botany) A common name for several plants, which have tufts of stamens. [First attested in the late 19th century.]
- Cymbalaria muralis (ivy-leaved toadflax, Kenilworth ivy).
- Hypericum calycinum (great St. John's-wort, Jerusalem star).
- Saxifraga stolonifera (creeping saxifrage, strawberry geranium).
- Opuntia leucotricha (arborescent prickly pear, Aaron's beard cactus).
(botany) Alternative form of Aaron's beard.
Origin of aaron-s-beard
- From the prominent tufts of stamens, in reference to Psalms 133:2
From American Heritage Dictionary of the English Language, 5th Edition
- From the reference in Psalms 133:2 in the Bible.