FIGURE 5. A. Guadua tuxtlensis, nodal region showing a in Morphological keys to the genera and species of bamboos (Poaceae: Bambusoideae) of Mexico

FIGURE 5. A. Guadua tuxtlensis, nodal region showing a thorn at the base of the primary branch. B. Guadua inermis, nodal area showing the primary branch base and supra- and infranodal bands of white hairs. C. Guadua aculeata, showing bud. D. Guadua longifolia, showing pseudospikelets. E. Guadua paniculata, showing branches and thorns. F. Guadua aculeata, showing pseudospikelets with stamens and stigmas. Photos by E. Ruiz-Sanchez.