Fig. 3

Histology of direct somatic embryogenesis from leaf explants of Tolumnia Louise Elmore ‘Elsa’. a meristematic cells (MCs) originated from the mesophyll cells of a leaf explant (Scale bar 0.1 mm); leaf vein (LV); b a somatic proembryo (SPE) and a somatic embryo developed the bipolar structure with putative shoot apical meristem (SAM) and putative root meristem (RM) (Scale bar 0.5 mm)