Rose of Jericho

(Bot.), a plant growing on the plain of Jericho; the Anastatica hierochuntina. Baird. — Under the rose. [Lat. sub rosa.] In secret; privately; in a manner that forbids disclosure; — the rose being among the ancients the symbol of secrecy, and hung up at entertainments, as a token that nothing there said was to be divulged. — Wars of the Roses (Eng. Hist.), feuds between the Houses of York and Lancaster, the white rose being the badge of the house of York, and the red rose of the house of Lancaster.