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
HMS Laburnum (1915) the Easter Rising, an armed rebellion by Irish republicans against British rule, began. "Laburnum" was ordered to Galway to defend the port on 25 April, arriving there on 26 April. On hearing reports that a group of rebels were advancing on the port, the Captain of "Laburnum" ordered her to open fire, with 10 shells being fired in the direction of the rebels and at a road on the outskirts of the city. On 28 April, "Laburnum" escorted a transport carrying troops to Galway. On 8 February 1917, the passenger steamer was torpedoed by the German submarine WSW of Fastnet