Laburnum in "L. anagyroides" and long in "L. alpinum". They have yellow pea-flowers in pendulous leafless racemes long in spring, which makes them very popular garden trees. In "L. anagyroides", the racemes are long, with densely packed flowers; in "L. alpinum" the racemes are long, but with the flowers sparsely along the raceme. The fruit develops as a pod and is extremely poisonous. The yellow flowers are responsible for the old poetic name 'golden chain tree' (also spelled golden chaintree or goldenchain tree). All parts of the plant are poisonous, although mortality is very rare. Symptoms of laburnum poisoning may include
USS Laburnum (1864) 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 dispatch boat to serve Union ships on blockade duty. "Lion", a screw tug built at Philadelphia, Pennsylvania, in 1864, was purchased by the Navy 24 June 1864, renamed "Laburnum", and commissioned at Philadelphia Navy Yard 7 July 1864, Acting Master A. A. Owens in command. The new tug joined the South Atlantic Blockading Squadron at Port Royal, South Carolina, 17 July 1864. For the remainder of the Civil War she operated