+Laburnocytisus adamii anagyroides" + "Chamaecytisus purpureus". +"Laburnocytisus adamii" is a legume, a member of the pea family Faboideae (or Papilionaceae, formerly Leguminosae). Only one cultivar, 'Adamii' (formally designated as +"Laburnocytisus" 'Adamii'), is known to have arisen from this graft. Most of the tree's branches resemble the laburnum in their foliage, which has three leaflets (3-palmate) and 3–6 cm long, yet also with dense clusters of broom-like shoots, also with three leaflets, but only 1 cm long and a darker green. It flowers in late spring or early summer; some branches have long (20–30 cm) racemes of yellow laburnum flowers, while others produce
Laburnum alpinum Laburnum alpinum Laburnum alpinum, the Scotch laburnum, Scottish laburnum or alpine laburnum, is a leguminous, ("Leguminosae"), deciduous tree. "Laburnum alpinum" is similar to "Laburnum anagyroides", it grows to by , at a fast rate. It is hardy to zone 5. It is in flower from May to June, and the seeds ripen from September to October. The panicles of vanilla scented, pea-like flowers are hermaphrodite (having both male and female organs) and are pollinated by insects. The fruit is a pod or legume, the seeds green at first but becoming shiny black. The leaves are "cholagogue" and purgative. All parts