+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
Flowers Are Red in a corner. Finally, the now terrified little boy gives in and tells the teacher that "flowers are red, and green leaves are green." When he goes to a different school, a new teacher encourages her students to use all sorts of colors, only to find the student only coloring his flowers red and green; when the new teacher asks the boy why, he meekly responds by quoting his previous teacher—"flowers are red, and green leaves are green." In the live concert versions, Chapin extended the song's ending to: "There still must be a way to have our children say..."