Chusquea costaricensis

HABIT Perennial. Culms arching, or leaning; 300–600 cm long; 10–15 mm diam.; woody. Culm-internodes terete; 12.5–28 cm long; distally pruinose. Culm-nodes with distinct supra-nodal ridge. Lateral branches dendroid; intravaginal. Bud complement (6–)9–11. Branch complement many; in a clump. Culm-sheaths (6.4–)8.5–12.5 cm long; glabrous; hairy on margins; triangular at apex. Culm-sheath ligule 1–3 mm high. Culm-sheath blade triangular; narrower than sheath; indistinctly demarcated from sheath; erect; 1.7–2.5 cm long; scabrid. Leaves 6–9 per branch. Leaf-sheaths glabrous on surface; outer margin hairy. Ligule an eciliate membrane; 10–15(–25) mm long. Collar with external ligule. Leaf-blade base truncate; asymmetrical; with a brief petiole-like connection to sheath; petiole 0.2–0.4 cm long. Leaf-blades lanceolate; 13–30 cm long; 15–27(–33) mm wide. Leaf-blade venation with distinct cross veins. Leaf-blade surface glabrous. Leaf-blade margins cartilaginous; scabrous. Leaf-blade apex acuminate; hairy.

INFLORESCENCE Flowering specimens unknown.

DISTRIBUTION South America: Mesoamericana.

NOTES Bambuseae. Clark & March 2014.

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