Jupiter's beard

Etymology
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Noun

 * 1) The red valerian,
 * , a European plant with yellow flowers.
 * 1) The silverbush,, a European shrub with silvery leaves.
 * 2) The common houseleek,.
 * 3) * 1658: Thus nature  somewhat after this manner hath ordered the bush in Jupiters beard, or houseleek; which old superstition set on the tops of houses, as a defensative against lightening, and thunder. — Sir Thomas Browne, The Garden of Cyrus (Folio Society 2007, p. 181)
 * 4) A white-edged fungus,.
 * 1) A white-edged fungus,.