FIGURE 3. Merostachys mexicana. A. New erect shoots, showing culm leaves. B. Foliage leaves. C in A new species of Merostachys (Poaceae: Bambusoideae: Bambuseae: Arthrostylidiinae) with the northernmost distribution of the genus

FIGURE 3. Merostachys mexicana. A. New erect shoots, showing culm leaves. B. Foliage leaves. C. Abaxial side of the foliage leaf complement showing the marginal stripe (white arrow). D. Foliage leaf complement showing the fimbriae (white arrow). E. Old inflorescences. F. Remnant new inflorescence showing spikelets and stamen. G. Nucoid caryopsis (white arrow). Photos by E. RuizSanchez.