develops_from develops from develops from cotyledon primordium vascular leaf cotyledon A vascular leaf (PO:0009025) formed at the first shoot node (PO:0005004) of a plant embryo (PO:0009009) or a seedling (PO:0000003). PO:0020030 PO_GIT:457 cotiled&#243n (Spanish, exact) plant_anatomy seed leaf (exact) 子葉 (Japanese, exact)