part_of part of part of petiole petiole lamina petiole lamina petiole wing (narrow) The entire petiole may be laminar, or the petiole may be more or less rounded in cross section with laminar extensions. PO:0025129 2010-11-15T10:28:38Z PO_GIT:428 rwalls 葉柄葉身、葉片 (Japanese, exact) l&#225mina (ala) del pec&#237olo (Spanish, exact) A lamina (PO:0025060) that is part of a petiole (PO:0020038). plant_anatomy phyllome lamina