variable_of InterNodZ1RedArea Red-colored area in the outer zone (Z1) of the internode cross section internode Red-colored area in the internode outer zone (Z1) Red-colored area in the internode outer zone (Z1), obtained after fasga staining of the internode. Outer and inner zones are delimited visually based on their anatomical differences. Internode rank and time of observation must be provided when using this trait. Internode stands here for internode of the main shoot. method_of scale_of entity acronym attribute