Grafting growth in the vascular cambium. Occasionally, a so-called "graft hybrid" or more accurately graft chimera can occur where the tissues of the stock continue to grow within the scion. Such a plant can produce flowers and foliage typical of both plants as well as shoots intermediate between the two. The best-known example this is probably +"Laburnocytisus" 'Adamii', a graft hybrid between "Laburnum" and "Cytisus", which originated in a nursery near Paris, France in 1825. This small tree bears yellow flowers typical of "Laburnum anagyroides", purple flowers typical of "Cytisus purpureus" and curious coppery-pink flowers that show characteristics of both "parents".
Laburnum, Victoria station, primary school, and post office, despite never being a suburb (technically, it is a "neighbourhood"). The Blackburn Creeklands park is an important community asset of Laburnum providing for both recreation and a wildlife corridor. In 1983, the then Nunawading Council the purchased the middle section of land that integrates and links Blacks Walk, Kalang and Furness Parks into today’s long, linear park following Gardiners Creek from Middleborough to Blackburn Roads. Laburnum, Victoria Laburnum refers to a small area in the 'Bellbird' area of the suburb of Blackburn, Victoria, Australia. It covers the area bordered by Middleborough and Blackburn Roads,