FIGURE 2. Chusquea enigmatica. A in A new endangered species of Chusquea (Poaceae: Bambusoideae) from the Acatlán volcano in central Veracruz, Mexico, and keys to the Mexican Chusquea species

FIGURE 2. Chusquea enigmatica. A. Part of leptomorph rhizome, shown with vertical orientation. B. Culm fragment showing intravaginal branch pattern and culm leaves. C. Culm fragment showing extravaginal branch pattern, complete culm leaves with erect blade and development of a new branch. D. Nodal section of the culm, showing bud complement, with one main central bud and two subsidiary smaller buds. E. Culm fragment, showing two nodal regions with well development branches. F. Foliage leaf complement, showing inner ligule and finely serrulate margins. Based on E. Ruiz-Sanchez & T.M. Mejía-Saulés 434a. Drawn by Edmundo Saavedra.