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
Golden mantella marks. The tympanum is visible, but small. Brightly colored skin warns predators that the frog is poisonous. It is thought that the brilliant colors exhibited by the golden mantella are an example of aposematism, warning predators of the poisonous nature of the frog. The golden mantella is highly seasonal in its behaviour and remains largely inactive during the winter months of May–October. When the rains arrive and the temperature warms, frogs emerge from hiding and use small lentic wetlands for breeding. Males often call from concealed positions near a water source. The call is a rather pleasant, repeated click. The