Research Article
Phenotypic Variation Profile of Marsilea crenata Presl. Cultivated in Water and in the Soil
Figure 16
Cross section of the petiole of M. crenata. (1) = epidermis, (2) = aerenchyma, (3) = septum, (4) = parenchyma, (5) = vascular bundle, and (6) = inner cortex.