leaf lamina width penultimate leaf lamina width TO:0011006 plant_trait_ontology In case of cereal crop plants such as rice, corn, wheat etc., first leaf below the inflorescence or the last leaf on the shoot is called the flag leaf. Penultimate leaf is the one below flag leaf. Lamina width of the leaf penultimate to the first leaf below the inflorescence. second leaf width (related) PENLFLWD (related)