FIGURE 4. Chusquea septentrionalis. A. Synflorescence. B. Flowering branch showing persistent lower glumes. C. Spikelet. D in A new informal group in Chusquea subg. Swallenochloa (Poaceae: Bambusoideae: Bambuseae) and emended descriptions for the Mexican endemics C. enigmatica and C. septentrionalis

FIGURE 4. Chusquea septentrionalis. A. Synflorescence. B. Flowering branch showing persistent lower glumes. C. Spikelet. D. Lower glumes (I, II). E. Upper glumes (III, IV). F. Lemma (right) and palea (left). Based on A. Castro-Castro et al. 4600. Illustration by Juvenal Aragón Parada.Published as part of Ruiz-Sanchez, Eduardo, Castro-Castro, Arturo & Clark, Lynn G., 2022, A new informal group in Chusquea subg. Swallenochloa (Poaceae: Bambusoideae: Bambuseae) and emended descriptions for the Mexican endemics C. enigmatica and C. septentrionalis, pp. 47-58 in Phytotaxa 554 (1) on page 53, DOI: 10.11646/phytotaxa.554.1.3, http://zenodo.org/record/680977