Investigate leaf structure with this model of a lima bean leaf. It is a 45x model with detail of the transverse and longitudinal sections. The mesophyll includes palisade and spongy parenchyma. Both surfaces are shown with stomas and guard cells. There is an additional detail of the xylem, phloem, and vascular veins. Constructed of durable plastic. Comes with a detailed key. 18.25X9.75X6.5” Ages 10+