IDIOMS

Aaron's beard



Example: A common name for several plants, which have tufts of stamens.[1][2] [First attested in the late 19th century.][1]
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)