Grafting growth in the vascular cambium. Occasionally, a so-called "graft hybrid" or more accurately graft chimera can occur where the tissues of the stock continue to grow within the scion. Such a plant can produce flowers and foliage typical of both plants as well as shoots intermediate between the two. The best-known example this is probably +"Laburnocytisus" 'Adamii', a graft hybrid between "Laburnum" and "Cytisus", which originated in a nursery near Paris, France in 1825. This small tree bears yellow flowers typical of "Laburnum anagyroides", purple flowers typical of "Cytisus purpureus" and curious coppery-pink flowers that show characteristics of both "parents".
USS Laburnum (1864) Mount Pleasant, South Carolina, and Fort Sumter and she continued to labor restoring order to the waters of South Carolina until after the end of the war. "Laburnum" decommissioned 24 January 1866 and was sold at auction in New York City to L. J. Belloni 16 March 1866. The tug was redocumented as "D. P. Ingraham" 14 May 1866 and served commercial shipping until sold to a foreign purchaser in 1878. USS Laburnum (1864) USS "Laburnum" (1864) was a steamer acquired by the Union Navy during the American Civil War. She was used by the Navy as a tugboat and