Model, Stem Cross Section of Creeping Buttercup (Ranunculus repens), with collateral open vascular bundles, The model shows the typical stem structure of a dicotyledon enlarged by a factor of 250, Dimensions: 28 x 7 cm, weight: 3.25 kg
Model shows the transverse and longitudinal section of a dicotyledonous stem in which case the cambium ring has been formed but no secondary growth has taken place.