Aaron's beard

noun5

1. •
   A common name for several plants that have tufts of stamens.
2. •
   Cymbalaria muralis (ivy-leaved toadflax, Kenilworth ivy).
3. •
   Hypericum calycinum (rose of Sharon, great St. John's-wort, Jerusalem star).
4. •
   Saxifraga stolonifera (creeping saxifrage, strawberry geranium).
5. •
   Opuntia leucotricha (arborescent prickly pear, Aaron's beard cactus).