| laburnums | |
| laburnum |
| laburnum | (n) flowering shrubs or trees having bright yellow flowers; all parts of the plant are poisonous, Syn. genus Laburnum |
| Laburnum | n. [ L. ] (Bot.) A small leguminous tree (Cytisus Laburnum), native of the Alps. The plant is reputed to be poisonous, esp. the bark and seeds. It has handsome racemes of yellow blossoms. [ 1913 Webster ] ☞ Scotch laburnum (Cytisus alpinus) is similar, but has smooth leaves; purple laburnum is Cytisus purpureus. [ 1913 Webster ] |
