Guadua chaparensis

HABIT Perennial; caespitose. Rhizomes short; pachymorph. Culms erect; nodding at the tip; (1500–)1800–2500 cm long; (35–)70–120 mm diam.; woody; with root thorns from the nodes. Culm-internodes terete; hollow; 22–50(–70) cm long; dark green; distally glabrous. Culm-nodes with distinct supra-nodal ridge. Lateral branches dendroid; extravaginal. Bud complement 1. Branch complement two, or three, or several; with 1 branch dominant. Culm-sheaths 23–50 cm long; yellow; pubescent; glabrous on margins; without auricles. Culm-sheath ligule 0.5–1 mm high; ciliolate. Culm-sheath blade triangular; demarcated but persistent; erect; (4–)9–15 cm long; 14–17 mm wide; hispid; mucronate. Leaves 5–8(–10) per branch. Leaf-sheaths glabrous on surface; outer margin hairy. Ligule an eciliate membrane, or a ciliolate membrane; 0.3–0.5 mm long; pubescent on abaxial surface. Collar with external ligule. Leaf-blade base with a brief petiole-like connection to sheath; petiole 0.2–0.4 cm long. Leaf-blades linear, or lanceolate; (5–)15–23(–25) cm long; (6–)13–20 mm wide. Leaf-blade midrib conspicuous. Leaf-blade venation prominent; with 11–14 secondary veins; with distinct cross veins. Leaf-blade margins scabrous. Leaf-blade apex attenuate; apiculate (1.5–2.5 mm).

INFLORESCENCE Flowering specimens unknown.

DISTRIBUTION South America: western South America.

NOTES Bambuseae. Londono & Zurita 2009.

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