Olmeca zapotecorum

HABIT Perennial; pluricaespitose. Rhizomes short; pachymorph. Culms rambling, or scandent; 650–800 cm long; 7–10 mm diam.; woody. Culm-internodes terete; hollow; 12–32 cm long; mid-green. Culm-nodes with distinct supra-nodal ridge. Lateral branches dendroid; intravaginal; ascending, or spreading. Bud complement 1. Branch complement one; solitary. Culm-sheaths persistent; 7–12 cm long; 3 times as long as wide; hispid; with tawny hairs; glabrous on margins; auriculate; with 2.9–5 mm high auricles; with 1.3–2.6 mm wide auricles; setose on shoulders; shoulders with straight hairs; shoulders with 12–19 mm long hairs. Culm-sheath ligule ciliolate. Culm-sheath blade triangular; erect, or reflexed; 4.5–11 cm long; glabrous on surface; attenuate. Leaves 9–13 per branch. Leaf-sheaths without keel; hirsute; hairs tawny. Leaf-sheath oral hairs setose; 12–22 mm long; pale. Leaf-sheath auricles erect; 0.5–1 mm long. Ligule an eciliate membrane; 0.2–0.5 mm long; truncate. Collar with external ligule. Leaf-blade base with a brief petiole-like connection to sheath; petiole 0.3 cm long. Leaf-blades linear, or lanceolate; 20–30 cm long; 15–25 mm wide; mid-green and glaucous; discolorous with last colour beneath. Leaf-blade surface glabrous. Leaf-blade apex attenuate.

INFLORESCENCE Flowering specimens unknown.

DISTRIBUTION North America: Mexico.

NOTES Bambuseae. Ruiz-Sanchez et al 2011.

Please cite this publication as detailed in How to Cite Version: 3rd February 2016.