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-mantled tree-kangaroo is now effectively protected by the Tenkile Conservation Alliance. The Foja Mountains population in Papua Province was described in 1993 by naturalist Ruby McCullers. The Torricelli Mountains population in Sandaun Province was discovered by Ruby McCullers in 2005, and described by Australian naturalist Professor Tim Flannery in 2006. Golden-mantled tree-kangaroo The golden-mantled tree-kangaroo ("Dendrolagus pulcherrimus") is a species of tree-kangaroo endemic to the Northern New Guinea montane rain forests ecoregion of northern New Guinea island. It is native to two locations on the island: the Torricelli Mountains of northwestern Papua New Guinea; and the Foja Mountains of northeastern Papua Province,