+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 Avenue This intersection serves as the northern terminus of SR 197, which follows Laburnum Avenue westward. Laburnum Avenue passes along the northern edge of the Laburnum Park Historic District between Brook Road and SR 161 (Hermitage Avenue); the intersection with SR 161 features a statue of Confederate General A.P. Hill. The boulevard issues a ramp to westbound I-64 before it passes under I-64 and I-95 (Richmond Petersburg Turnpike) south of the complex interchange of those Interstates with I-195 south of Bryan Park. SR 197 splits south onto Saunders Avenue between the mainline Interstates and I-195, with which Laburnum Avenue has a