[luh-bur-nuh
m] 
| any of several small trees belonging to the genus Laburnum, of the legume family, having elongated clusters of pendulous yellow flowers, esp. L. alpinum, the Scotch laburnum. |
golden chain
any of several small trees of the genus Laburnum, of the pea family (Fabaceae), especially L. anagyroides. This species, which is native to southern Europe, is also cultivated in other regions as an ornamental. It grows to approximately 6 m (20 feet) tall and begins to branch at a point quite near the ground. The alternate leaves are compound, bearing three leaflets. The yellow flowers, measuring about 2 cm (0.75 inch) across, are borne in drooping clusters 10-30 cm (4-12 inches) long. The fruit of the golden chain is a pod about 5 cm (2 inches) long. The branches, leaves, and pods are somewhat hairy
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