rectiserial
/ˌrɛktɪˈsɪərɪəl/Botany. Now rare
adjective
Designating forms of phyllotaxis in which the leaf completing one complete turn of a spiral or whorl lies directly over the first leaf.
Origin
Mid 19th century; earliest use found in Edwin Lankester (1814–1874), public health reformer and natural historian. From recti- + serial, after French rectisérié.