Merostachys Sprengel, 1825

Ruiz-Sanchez, Eduardo, Clark, Lynn G., Londoño, Ximena, Mejía-Saulés, Teresa & Rodríguez, Gilberto Cortés, 2015, Morphological keys to the genera and species of bamboos (Poaceae: Bambusoideae) of Mexico, Phytotaxa 236 (1), pp. 1-24 : 17

Merostachys Sprengel

Rhizomes pachymorph; culms hollow with thin walls, 3–6 m tall, 1.5–2 cm in diameter, scandent; internodes green with purple macules internodes green with purple spots, appressed tricomes below the nodes, internodes papillose-scabrose; culm leaf sheaths well developed, deciduous with fimbriae; culm leaf blade reflexed; branching intravaginal; node with one bud developing 25–30 branches in distinctly fan-shaped (apsidate) arrangement; foliage leaves pseudopetiolate and fimbriate; synflorescences racemose, Comb-like; fruit a nucoid caryopsis.”

1 species in Mexico: Merostachys sp. Endemic to Mexico; Chiapas; 1900–2100 m ( Fig. 2E–F ).

Figures

FIGURE 2. A–B. Arthrostylidium excelsum. A. Foliage complement. B. Branch complement. C–D. Aulonemia laxa. C. Culm showing the leaves in the apical portion. D. Detail of the ligular area, showing fimbriae.E–F.Merostachys sp.. E. Branches. F. Foliage complement, abaxial view showing the narrow green marginal stripe. A–D photos by E. Ruiz-Sanchez, E–F photos by M. T. Mejía-Saulés.