Guadua magna

HABIT Perennial; caespitose. Rhizomes short; pachymorph. Culms erect; 1260–2340 cm long; 63–130 mm diam.; woody; with aerial roots from the nodes and with root thorns from the nodes. Culm-internodes terete; with small lumen; 7.5–30.4 cm long; yellow, or light green; distally hispid. Culm-nodes with distinct supra-nodal ridge; glabrous. Lateral branches dendroid; intravaginal. Bud complement 1. Branch complement one to several; in a horizontal line; thinner than stem. Culm-sheaths persistent, or tardily deciduous; 59.1–63.8 cm long; brown; hispid; hairy on margins; without auricles; glabrous on shoulders. Culm-sheath ligule 1 mm high; ciliolate. Culm-sheath blade triangular; demarcated but persistent; erect; 6.1–16.3 cm long; 72–116 mm wide; hispid and with ciliate margins. Leaves 2–8 per branch. Leaf-sheaths 2.8–4 cm long; glabrous on surface. Ligule a ciliolate membrane; 1 mm long; membranous. Collar with external ligule. Leaf-blade base cuneate; with a brief petiole-like connection to sheath; petiole 0.5–2 cm long; petiole glabrous. Leaf-blades deciduous at the ligule; linear, or lanceolate; 11.1–15.5 cm long; 6–11 mm wide. Leaf-blade midrib prominent beneath. Leaf-blade apex acute, or acuminate.

INFLORESCENCE Flowering specimens unknown.

DISTRIBUTION South America: Brazil.

NOTES Bambuseae. Lond. & Filg. 2009.

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