FIGURE 4 in Culm anatomy of the genus Otatea (Poaceae, Bambusoideae, Bambuseae, Guaduinae) as a contribution to Mexican species identification

FIGURE 4. Culm cross section of Otatea acuminata OAX. A. Cross section general view. B. Parenchymatous ground tissue with sporadic conical silica bodies. C. Epidermis and cortex. D. Peripheral vascular bundle. E. Transitional vascular bundle. F. Central vascular bundle. Abbreviations: co, cortex; ep, epidermis; fs, fiber sheath; mx, metaxylem; pa, parenchyma; ph, phloem; px, protoxylem; sc, sclerenchyma; si, silica bodies.