characteristic of inheres in age vascular leaf leaf senescence trait Foilar senescence (related) Sen (related) Rapid senescence of leaves can be detrimental to yield. Can be measured by loss of normal leaf color. In triticeae it is often measured on the flag or the second from top leaf. A measure of aging of leaf. plant_trait_ontology LFSNS (related) TO:0000249 vascular leaf morphology trait leaf growth and development trait