unifacial vascular leaf ensiform vascular leaf 2011-09-28T04:08:06Z ensiform leaf (exact) 維管束系剣状葉 (Japanese, exact) hoja ensiforme EXACT Spanish [POC:Maria_Alejandra_Gandolfo] (Spanish, exact) A unifacial leaf that is flat in cross section due to a lamina that develops in a median plane (perpendicular to the axis), rather a transverse plane (tangent to the axis) throughout all of part of the length of the leaf. hoja ensiforme (exact) plant_anatomy PO:0025333 rwalls Common in many monocots and some dicots. Note that ensiform leaves have two sides, but both sides arise from the same surface of the leaf meristem (abaxial or adaxial). In some leaves, the petiole may twist, giving the appearance that the lamina is ensiform, but it is not.